Telecom Glossary

Country Telecom Codes

COOUNTRY CODE COUNTRY NAME

93 Afghanistan355 Albania (Republic of)213

1 American Samoa 376 Andorra (Principality of) 244 Angola (Republic of) 1 Anguilla 1 Antigua and Barbuda 54 Argentine Republic 374 Armenia (Republic of) 297 Aruba 247 Ascension 61 Australia 672 Australian External Territories 43 Austria 994 Azerbaijani Republic 1 Bahamas (Commonwealth of the) 973 Bahrain (Kingdom of) 880

1 Barbados 375 Belarus (Republic of) 32 Belgium 501 Belize 229 Benin (Republic of) 1 Bermuda 975 Bhutan (Kingdom of) 591 Bolivia (Republic of) 387 Bosnia and Herzegovina 267 Botswana (Republic of) 55 Brazil (Federative Republic of) 1 British Virgin Islands 673 Brunei Darussalam 359 Bulgaria (Republic of) 226 Burkina Faso 257 Burundi (Republic of) 855 Cambodia (Kingdom of) 237 Cameroon (Republic of) 1 Canada 238 Cape Verde (Republic of) 1 Cayman Islands 236 Central African Republic 235 Chad (Republic of) 56 Chile

Algeria (People's Democratic Republic of)

Bangladesh (People's Republic of)


86 China (People's Republic of) 57 Colombia (Republic of) 269 Comoros ( Union of the) 242 Congo (Republic of the) 682 Cook Islands 506225385 Croatia (Republic of) 53 Cuba 357 Cyprus (Republic of) 420 Czech Republic 850

243 Democratic Republic of the Congo

670

45 Denmark 246 Diego Garcia 253 Djibouti (Republic of) 1 Dominica (Commonwealth of) 1 Dominican Republic 593 Ecuador 20 Egypt ( Arab Republic of) 503240 Equatorial Guinea (Republic of) 291 Eritrea 372 Estonia (Republic of) 251

500298679 Fiji (Republic of) 358 Finland 33 France 594

689

241 Gabonese Republic 220 Gambia (Republic of the) 995 Georgia 49 Germany ( Federal Republic of) 233 Ghana 350 Gibraltar 30 Greece 299 Greenland ( Denmark ) 1 Grenada

Costa Rica Côte d'Ivoire (Republic of)

Democratic People's Republic of Korea

Democratic Republic of Timor-Leste

El Salvador (Republic of)

Ethiopia (Federal Democratic Republic of) Falkland Islands (Malvinas) Faroe Islands

French Guiana (French Department of) French Polynesia (Territoire français d'outre-mer)


388 Group of countries, shared code 590

1 Guam 502 Guatemala (Republic of) 224 Guinea (Republic of) 245 Guinea-Bissau (Republic of) 592 Guyana 509 Haiti (Republic of) 504 Honduras (Republic of) 85236 Hungary (Republic of) 354 Iceland 91 India (Republic of) 62 Indonesia (Republic of) 871874873872870800 International Freephone Service 881

882

98 Iran (Islamic Republic of) 964 Iraq (Republic of) 353 Ireland 972 Israel (State of) 39 Italy 1 Jamaica 81 Japan 9627 Kazakhstan (Republic of) 254 Kenya (Republic of) 686 Kiribati (Republic of) 82 Korea (Republic of) 965 Kuwait (State of) 996856 Lao People's Democratic Republic

371 Latvia (Republic of) 961 Lebanon 266 Lesotho (Kingdom of) 231 Liberia (Republic of) 218

423 Liechtenstein (Principality of)

Guadeloupe (French Department of)

Hong Kong , China

Inmarsat (Atlantic Ocean-East) Inmarsat (Atlantic Ocean-West) Inmarsat ( Indian Ocean ) Inmarsat ( Pacific Ocean ) Inmarsat SNAC

International Mobile, shared code

International Networks, shared code

Jordan ( Hashemite Kingdom of)

Kyrgyz Republic

Libya (Socialist People's Libyan Arab Jamahiriya)


370 Lithuania (Republic of) 352 Luxembourg 853 Macao , China 261 Madagascar (Republic of) 265 Malawi 60 Malaysia 960 Maldives (Republic of) 223 Mali (Republic of) 356 Malta 692

596

222 Mauritania (Islamic Republic of)

230 Mauritius (Republic of) 26952 Mexico 691 Micronesia (Federated States of)

373 Moldova (Republic of) 377 Monaco (Principality of) 976 Mongolia 1 Montserrat 212 Morocco (Kingdom of) 258 Mozambique (Republic of) 95 Myanmar ( Union of) 264 Namibia (Republic of) 674 Nauru (Republic of) 977 Nepal 31 Netherlands (Kingdom of the) 599 Netherlands Antilles 687

64505 Nicaragua 227 Niger (Republic of the) 234 Nigeria ( Federal Republic of) 6831

47 Norway 968 Oman (Sultanate of) 92 Pakistan (Islamic Republic of) 680 Palau (Republic of) 507 Panama (Republic of) 675595 Paraguay (Republic of)

Marshall Islands (Republic of the) Martinique (French Department of)

Mayotte

New Caledonia (Territoire français d'outre-mer) New Zealand

Niue Northern Mariana Islands (Commonwealth of the)

Papua New Guinea


51 Peru 63 Philippines (Republic of the) 48 Poland (Republic of) 351 Portugal 1974 Qatar (State of) 262 Reunion (French Department of) 40 Romania 7 Russian Federation 250 Rwanda (Republic of) 290 Saint Helena 11 Saint Lucia 508

1 Saint Vincent and the Grenadines

685 Samoa ( Independent State of) 378239

966 Saudi Arabia (Kingdom of) 221 Senegal (Republic of) 381 Serbia and Montenegro 248 Seychelles (Republic of) 23265 Singapore (Republic of) 421 Slovak Republic 386 Slovenia (Republic of) 677 Solomon Islands 252 Somali Democratic Republic 27 South Africa (Republic of) 34 Spain 94

249 Sudan (Republic of the) 597 Suriname (Republic of) 268 Swaziland (Kingdom of) 46 Sweden 41 Switzerland (Confederation of) 963 Syrian Arab Republic 992 Tajikistan (Republic of) 255 Tanzania (United Republic of) 66 Thailand 389

228 Togolese Republic

Puerto Rico

Saint Kitts and Nevis

Saint Pierre and Miquelon (Collectivité territoriale de la République française)

San Marino (Republic of) Sao Tome and Principe (Democratic Republic of)

Sierra Leone

Sri Lanka (Democratic Socialist Republic of)

The Former Yugoslav Republic of Macedonia


690676 Tonga (Kingdom of) 991

1 Trinidad and Tobago 216 Tunisia 90 Turkey 993 Turkmenistan 1688 Tuvalu 256 Uganda (Republic of) 380 Ukraine 971 United Arab Emirates 44

1 United States of America 1 United States Virgin Islands 598 Uruguay (Eastern Republic of) 998 Uzbekistan (Republic of) 678 Vanuatu (Republic of) 379 Vatican City State 39 Vatican City State 58

84

681

967 Yemen (Republic of) 260 Zambia (Republic of) 263 Zimbabwe (Republic of)

Tokelau

Trial of a proposed new international telecommunication public correspondence service, shared code

Turks and Caicos Islands

United Kingdom of Great Britain and Northern Ireland

Venezuela ( Bolivarian Republic of) Viet Nam ( Socialist Republic of)

Wallis and Futuna (Territoire français d'outre-mer)


Collected By : Ashish Mohapatra

Country Different Codes

Country Name ISO(2-alpha) ISO(3-alpha)AFGHANISTAN AF AFG .afÅLAND ISLANDS AX ALA .axALBANIA AL ALB .alALDERNEY

DZ DZA .dzAMERICAN SAMOA AS ASM .asANDORRA AD AND .adANGOLA AO AGO .aoANGUILLA AI AIA .aiANTARCTICA AQ ATA .aq

AG ATG .agARGENTINA AR ARG .arARMENIA AM ARM .amARUBA AW ABW .aw

.acAUSTRALIA AU AUS .auAUSTRIA AT AUT .atAZERBAIJAN AZ AZE .az

Country Name ISO(2-alpha) ISO(3-alpha)BAHAMAS BS BHS .bsBAHRAIN BH BHR .bhBANGLADESH BD BGD .bdBARBADOS BB BRB .bbBELARUS BY BLR .byBELGIUM BE BEL .beBELIZE BZ BLZ .bzBENIN BJ BEN .bjBERMUDA BM BMU .bmBHUTAN BT BTN .btBOLIVIA BO BOL .bo

BA BIH .baBOTSWANA BW BWA .bwBOUVET ISLAND BV BVT .bvBRAZIL BR BRA .br

Country Name ISO(2-alpha) ISO(3-alpha)IO IOT .io

IANA Internet

ALGERIA (El Djazaïr)

ANTIGUA AND BARBUDA

ASCENSION ISLAND

IANA Internet

BOSNIA AND HERZEGOVINA

IANA InternetBRITISH INDIAN OCEAN TERRITORY


BN BRN .bnBULGARIA BG BGR .bgBURKINA FASO BF BFA .bfBURUNDI BI BDI .biCAMBODIA KH KHM .khCAMEROON CM CMR .cmCANADA CA CAN .caCAPE VERDE CV CPV .cvCAYMAN ISLANDS KY CYM .ky

CF CAF .cfCHAD (Tchad) TD TCD .tdCHANNEL ISLANDSCHILE CL CHL .clCHINA CN CHN .cn

Country Name ISO(2-alpha) ISO(3-alpha)CX CXR .cx

CC CCK .ccCOLOMBIA CO COL .coCOMOROS KM COM .km

CG COG .cg

CD COD .cdCOOK ISLANDS CK COK .ckCOSTA RICA CR CRI .cr

CI CIV .ciCROATIA (Hrvatska) HR HRV .hrCUBA CU CUB .cuCYPRUS CY CYP .cyCZECH REPUBLIC CZ CZE .czDENMARK DK DNK .dkDJIBOUTI DJ DJI .dj

Country Name ISO(2-alpha) ISO(3-alpha)DOMINICA DM DMA .dm

DO DOM .doECUADOR EC ECU .ecEGYPT EG EGY .egEL SALVADOR SV SLV .sv

BRUNEI DARUSSALAM

CENTRAL AFRICAN REPUBLIC

IANA InternetCHRISTMAS ISLANDCOCOS (KEELING) ISLANDS

CONGO, REPUBLIC OFCONGO, THE DEMOCRATIC REPUBLIC OF THE (formerly Zaire)

CÔTE D'IVOIRE (Ivory Coast)

IANA InternetDOMINICAN REPUBLIC


GQ GNQ .gqERITREA ER ERI .erESTONIA EE EST .eeETHIOPIA ET ETH .etEUROPEAN UNION .euFAEROE ISLANDS FO FRO .fo

FK FLK .fkFIJI FJ FJI .fjFINLAND FI FIN .fiFRANCE FR FRA .fr

Country Name ISO(2-alpha) ISO(3-alpha)FRENCH GUIANA GF GUF .gf

PF PYF .pf

TF ATF .tfGABON GA GAB .gaGAMBIA, THE GM GMB .gmGEORGIA GE GEO .ge

DE DEU .deGHANA GH GHA .ghGIBRALTAR GI GIB .giGREAT BRITAIN GB GBR .ukGREECE GR GRC .grGREENLAND GL GRL .glGRENADA GD GRD .gdGUADELOUPE GP GLP .gpGUAM GU GUM .guGUATEMALA GT GTM .gt

Country Name ISO(2-alpha) ISO(3-alpha)GUERNSEY GG GGY .ggGUINEA GN GIN .gnGUINEA-BISSAU GW GNB .gwGUYANA GY GUY .gyHAITI HT HTI .ht

HM HMD .hmHONDURAS HN HND .hn

EQUATORIAL GUINEA

FALKLAND ISLANDS (MALVINAS)

IANA InternetFRENCH POLYNESIASOUTHERN TERRITORIES

GERMANY (Deutschland)

IANA Internet

HEARD ISLAND AND MCDONALD ISLANDS


HK HKG .hkHUNGARY HU HUN .huICELAND IS ISL .isINDIA IN IND .inINDONESIA ID IDN .id

.int

IR IRN .irIRAQ IQ IRQ .iqIRELAND IE IRL .ie

Country Name ISO(2-alpha) ISO(3-alpha)ISLE OF MAN IM IMN .imISRAEL IL ISR .ilITALY IT ITA .itJAMAICA JM JAM .jmJAPAN JP JPN .jpJERSEY JE JEY .je

JO JOR .joKAZAKHSTAN KZ KAZ .kzKENYA KE KEN .keKIRIBATI KI KIR .ki

KP PRK .kp

KR KOR .krKUWAIT KW KWT .kwKYRGYZSTAN KG KGZ .kg

LA LAO .laLATVIA LV LVA .lv

Country Name ISO(2-alpha) ISO(3-alpha)LEBANON LB LBN .lbLESOTHO LS LSO .lsLIBERIA LR LBR .lr

LY LBY .ly

LI LIE .liLITHUANIA LT LTU .lt

HONG KONG (Special Administrative Region of China)

INTERNATIONAL ORGANIZATIONS IRAN (Islamic Republic of Iran)

IANA Internet

JORDAN (Hashemite Kingdom of Jordan)

KOREA (Democratic Peoples Republic of [North] Korea)KOREA (Republic of [South] Korea)

LAO PEOPLE'S DEMOCRATIC REPUBLIC

IANA Internet

LIBYA (Libyan Arab Jamahirya)LIECHTENSTEIN (Fürstentum Liechtenstein)


LUXEMBOURG LU LUX .lu

MO MAC .mo

MK MKD .mkMADAGASCAR MG MDG .mgMALAWI MW MWI .mwMALAYSIA MY MYS .myMALDIVES MV MDV .mvMALI ML MLI .mlMALTA MT MLT .mt

Country Name ISO(2-alpha) ISO(3-alpha)MH MHL .mh

MARTINIQUE MQ MTQ .mqMAURITANIA MR MRT .mrMAURITIUS MU MUS .muMAYOTTE YT MYT .ytMEXICO MX MEX .mx

FM FSM .fmMOLDOVA MD MDA .mdMONACO MC MCO .mcMONGOLIA MN MNG .mnMONTENEGRO ME MNE .meMONTSERRAT MS MSR .msMOROCCO MA MAR .ma

MZ MOZ .mz

MM MMR .mmNAMIBIA NA NAM .na

Country Name ISO(2-alpha) ISO(3-alpha)NAURU NR NRU .nrNEPAL NP NPL .npNETHERLANDS NL NLD .nl

AN ANT .anNEW CALEDONIA NC NCL .ncNEW ZEALAND NZ NZL .nzNICARAGUA NI NIC .niNIGER NE NER .ne

MACAO (Special Administrative Region of China)MACEDONIA (Former Yugoslav Republic of Macedonia)

IANA InternetMARSHALL ISLANDS

MICRONESIA (Federated States of Micronesia)

MOZAMBIQUE (Moçambique)MYANMAR (formerly Burma)

IANA Internet

NETHERLANDS ANTILLES


NIGERIA NG NGA .ngNIUE NU NIU .nuNORFOLK ISLAND NF NFK .nf

MP MNP .mpNORWAY NO NOR .noOMAN OM OMN .omPAKISTAN PK PAK .pk

Country Name ISO(2-alpha) ISO(3-alpha)PALAU PW PLW .pw

PS PSE .psPANAMA PA PAN .pa

PG PNG .pgPARAGUAY PY PRY .pyPERU PE PER .pePHILIPPINES PH PHL .phPITCAIRN PN PCN .pnPOLAND PL POL .plPORTUGAL PT PRT .ptPUERTO RICO PR PRI .prQATAR QA QAT .qaRÉUNION RE REU .reROMANIA RO ROU .ro

RU RUS .ru

Country Name ISO(2-alpha) ISO(3-alpha)RWANDA RW RWA .rw

BL BLM .blSAINT HELENA SH SHN .sh

KN KNA .knSAINT LUCIA LC LCA .lc

MF MAF .mf

PM SPM .pm

VC VCT .vc

WS WSM .ws

SM SMR .sm

NORTHERN MARIANA ISLANDS

IANA InternetPALESTINIAN TERRITORIES

PAPUA NEW GUINEA

RUSSIAN FEDERATION

IANA InternetSAINT BARTHÉLEMY

SAINT KITTS AND NEVIS

SAINT MARTIN (French portion) SAINT PIERRE AND MIQUELONSAINT VINCENT AND THE GRENADINESSAMOA (formerly Western Samoa)SAN MARINO (Republic of)


ST STP .st

SA SAU .saSENEGAL SN SEN .sn

RS SRB .rsSEYCHELLES SC SYC .scSIERRA LEONE SL SLE .slSINGAPORE SG SGP .sg

Country Name ISO(2-alpha) ISO(3-alpha)SK SVK .sk

SLOVENIA SI SVN .si

SOLOMON ISLANDS SB SLB .sbSOMALIA SO SOM .so

ZA ZAF .za

GS SGS .gs

.suSPAIN (España) ES ESP .es

LK LKA .lkSUDAN SD SDN .sdSURINAME SR SUR .sr

SJ SJM .sjSWAZILAND SZ SWZ .szSWEDEN SE SWE .se

CH CHE .ch

SY SYR .sy

Country Name ISO(2-alpha) ISO(3-alpha)TW TWN .tw

TAJIKISTAN TJ TJK .tjTANGANYIKATANZANIA TZ TZA .tz

SAO TOME AND PRINCIPESAUDI ARABIA (Kingdom of Saudi Arabia)

SERBIA (Republic of Serbia)

IANA InternetSLOVAKIA (Slovak Republic)

SOUTH AFRICA (Zuid Afrika)OUTH GEORGIA AND THE SOUTH SANDWICH ISLANDSSOVIET UNION (Internet code still used)

SRI LANKA (formerly Ceylon)

SVALBARD AND JAN MAYEN

SWITZERLAND (Confederation of Helvetia)SYRIAN ARAB REPUBLIC

IANA InternetTAIWAN ("Chinese Taipei" for IOC)


THAILAND TH THA .th

TL TLS .tpTOGO TG TGO .tgTOKELAU TK TKL .tkTONGA TO TON .to

TT TTO .ttTUNISIA TN TUN .tnTURKEY TR TUR .trTURKMENISTAN TM TKM .tm

TC TCA .tcTUVALU TV TUV .tvUGANDA UG UGA .ugUKRAINE UA UKR .ua

Country Name ISO(2-alpha) ISO(3-alpha)AE ARE .ae

GB GBR .ukUNITED STATES US USA .us

UM UMI .umURUGUAY UY URY .uyUZBEKISTAN UZ UZB .uzVANUATU VU VUT .vu

VA VAT .vaVENEZUELA VE VEN .veVIET NAM VN VNM .vn

VG VGB .vg

VI VIR .vi

.yu

WF WLF .wf

EH ESH .eh

YE YEM .ye

Country Name ISO(2-alpha) ISO(3-alpha)

TIMOR-LESTE (formerly East Timor)

TRINIDAD AND TOBAGO

TURKS AND CAICOS ISLANDS

IANA InternetUNITED ARAB EMIRATESUNITED KINGDOM (Great Britain)

UNITED STATES MINOR OUTLYING ISLANDS

VATICAN CITY (Holy See)

VIRGIN ISLANDS, BRITISHVIRGIN ISLANDS, U.S.YUGOSLAVIA (Internet code still used) WALLIS AND FUTUNAWESTERN SAHARA (formerly Spanish Sahara)YEMEN (Yemen Arab Republic)

IANA Internet


ZM ZMB .zmZANZIBARZIMBABWE ZW ZWE .zw

ZAMBIA (formerly Northern Rhodesia)


IOC Olympic UN/ISO numeric ITU Calling AFG AFG 4 93

248AL ALB 8 355GBA

DZ ALG 12 213ASA 16 1-684

AND AND 20 376ANG 24 244

660 1-26410

ANT 28 1-268RA ARG 32 54AM ARM 51 7

ARU 533 297

247AUS AUS 36 61A AUT 40 43AZ AZE 31 994

IOC Olympic UN/ISO numeric ITU Calling BS BAH 44 1-242BRN BRN 48 973BD BAN 50 880BDS BAR 52 1-246BY BLR 112 375B BEL 56 32BH BIZ 84 501DY BEN 204 229

BER 60 1-441BHU 64 975

BOL BOL 68 591

BIH BIH 70 387BW BOT 72 267

74BR BRA 76 55

IOC Olympic UN/ISO numeric ITU Calling 86

UN Vehicle

UN Vehicle

UN Vehicle


BRU BRU 96 673BG BUL 100 359BF BUR 854 226RU BDI 108 257K CAM 116 855CAM CMR 120 237CDN CAN 124 1

CPV 132 238CAY 136 1-345

RCA CAF 140 236TCH CHA 148 235

830RCH CHI 152 56

CHN 156 86

IOC Olympic UN/ISO numeric ITU Calling 162

166CO COL 170 57

COM 174 269

RCB CGO 178 242

ZRE COD 180 243COK 184 682

CR CRC 188 506

CI CIV 384 225HR CRO 191 385CU CUB 192 53CY CYP 196 357CZ CZE 203 420DK DEN 208 45

DJI 262 253

IOC Olympic UN/ISO numeric ITU Calling WD DMA 212 1-767

DOM DOM 214 1-809EC ECU 218 593ET EGY 818 20ES ESA 222 503

UN Vehicle

UN Vehicle


GEQ 226 240ERI 232 291

EST EST 233 372ETH ETH 231 251

FR 234 298

238 500FJI FIJ 242 679FIN FIN 246 358F FRA 250 33

IOC Olympic UN/ISO numeric ITU Calling 254 594

258 689

260G GAB 266 241WAG GAM 270 220GE GEO 268

D GER 276 49GH GHA 288 233GBZ 292 350GB GBR 826 44GR GRE 300 30

304 299WG GRN 308 1-473

312 590GUM 316 1-671

GCA GUA 320 502

IOC Olympic UN/ISO numeric ITU Calling GBGRG GUI 324 224

GBS 624 245GUY GUY 328 592RH HAI 332 509

334HON 340 504

UN Vehicle

UN Vehicle


HKG 344 852H HUN 348 36IS ISL 352 354IND IND 356 91RI INA 360 62

IR IRI 364 98IRQ IRQ 368 964IRL IRL 372 353

IOC Olympic UN/ISO numeric ITU Calling GBM 833IL ISR 376 972I ITA 380 39JA JAM 388 1-876J JPN 392 81GBJ

HKJ JOR 400 962KZ KAZ 398 7EAK KEN 404 254

KIR 296 686

PRK 408 850

ROK KOR 410 82KWT KUW 414 965KS KGZ 417 996

LAO LAO 418 856LV LAT 428 371

IOC Olympic UN/ISO numeric ITU Calling RL LIB 422 961LS LES 426 266LB LBR 430 231

LAR LBA 434 218

FL LIE 438 423LT LTU 440 370

UN Vehicle

UN Vehicle


L LUX 442 352

446 853

MK MKD 807 389RM MAD 450 261MW MAW 454 265MAL MAS 458 60

MDV 462 960RMM MLI 466 223M MLT 470 356

IOC Olympic UN/ISO numeric ITU Calling MHL 584 692

474 596RIM MTN 478 222MS MRI 480 230

175 269MEX MEX 484 52

FSM 583 691MD MDA 498 373MC MON 492 377MGL MGL 496 976MNE MNE 499 382

500 1-664MA MAR 504 212

MOC MOZ 508 258

BUR MYA 104 95NAM NAM 516 264

IOC Olympic UN/ISO numeric ITU Calling NAU NRU 520 674NEP NEP 524 977NL NED 528 31

NA AHO 530 599540 687

NZ NZL 554 64NIC NCA 558 505RN NIG 562 227

UN Vehicle

UN Vehicle


WAN NGR 566 234570 683574

580 1-670N NOR 578 47

OMA 512 968PK PAK 586 92

IOC Olympic UN/ISO numeric ITU Calling PLW 585 680

PLE 275 970PA PAN 591 507

PNG PNG 598 675PY PAR 600 595PE PER 604 51RP PHI 608 63

612PL POL 616 48P POR 620 351

PUR 630 1Q QAT 634 974

638 262RO ROU 642 40

RUS RUS 643 7

IOC Olympic UN/ISO numeric ITU Calling RWA RWA 646 250

652654 290

SKN 659 1-869WL LCA 662 1-758

663

666 508

WV VIN 670 1-784

WS SAM 882 685

RSM SMR 674 378

UN Vehicle

UN Vehicle


STP 678 239

SA KSA 682 966SN SEN 686 221

SRB 688 381SY SEY 690 248WAL SLE 694 232SGP SIN 702 65

IOC Olympic UN/ISO numeric ITU Calling SK SVK 703 421SLO SLO 705 386

SOL 90 677SO SOM 706 252

ZA RSA 710 27

239

E ESP 724 34

CL SRI 144 94SUD SUD 736 249SME SUR 740 597

744SD SWZ 748 268S SWE 752 46

CH SUI 756 41

SYR SYR 760 963

IOC Olympic UN/ISO numeric ITU Calling TPE 158 886

TJ TJK 762 992EAT

TAN 834 255

UN Vehicle

UN Vehicle


T THA 764 66

TLS 626 670TG TOG 768 228

772 690TGA 776 676

TT TRI 780 1-868TN TUN 788 216TR TUR 792 90TM TKM 795 993

796 1-649TUV 798 688

EAU UGA 800 256UA UKR 804 380

IOC Olympic UN/ISO numeric ITU Calling UAE 784 971

GBR 826 44USA USA 840 1

581ROU URU 858 598UZ UZB 860 998

VAN 548 678

V VAT 336 379YV VEN 862 58VN VIE 704 84

BVI IVB 92 1-284

ISV 850 1-340

876 681

732

YAR YEM 887 967

IOC Olympic UN/ISO numeric ITU Calling

UN Vehicle

UN Vehicle


RNR ZAM 894 260EAZZW ZIM 716 263

Acronym

ACRONYM1G2.5G2BIQ2DRMS2G3G3GPP3GPP8PSKA-bisA-TDMAA51/2/3/8XAAAAAAAAAAABAACAADAALAAPAARAARAARPAAVABABENDABMABMABMEABRABRABRDABSABSABSABSABSBHACACACACACAACBACCACCHACDACELP

Acronym

ACFACFACFACFAACGACGACIACIAACKACKACLACMACNACNACNACNAACOACPACPIACRACRACRACSACSEACTACTAACTEACTLUACTPUACTSACTSACTSACUACUACUACUACUACUTAADADADADCADCCPADDADFADLADMADMAADMDADN

Acronym

ADNSADPADPCMADPCMADPCMADS-AITADSADSADSIADSLADSPADSSADSUADTSAEAEPAERMAERMAFAFCAFEAFIAFPAFPSAFRAFSAFSKAGCAGCHAGNDAGWAHAHTAHTAIAIAIMAINAINAIOAIODAIPAIRSAIS-LAIS-PAIS-VAISAISAIU

Acronym

AIXALIALIALISALITALJALPSALPSALTSALUAMAMAMAMAAMACCAMADNSAMATPSAMDAMIAMIAMISAMLCDAMOSAMPAMPAMPAMPSAMRAMRLANANCANIANIANMANMANPANRANSANSIANVMANWAOAAOCAoCCAoCIAOLAONAOSAP

Acronym

APAPAPAPAPAPAAPAAPADAPaRTAPCAPDAPDUAPIAPLAPNAPNICAPPAPPCAPPCAPPN+APPNAPRAPSAPSBAPTAPTOSAPTTAPZAQLARARAARCARCnetARCOFIARCOSARDAREARFCNARIBARINARJARLARMARPARPARPAARPAARPANETARPU

Acronym

ARQARQARSARSBARUARUARUAS56ASASAASAASAIASAMASBASBRASCASCIIASCIIASCUASDASDSASEASEASFASIASIASICASIPASKASN.1ASNASNASNASPASPASPASPASPASPASPIASRASRASRASRASTASYNCHAT&TATAT

Acronym

ATAATABATBATCPATDMATGATHATIATISATM-LIATM-PCIATM-SDUATMATMATMMATNATPATPATPATPATSATSCATSCATU-CATU-RAUAUCAUIAUIAUPAURPAUSMAUXAVBOAVDAVMAVRAVRUAWAWAWGB-CDMAB-CPEB-ICIB-ICIB-ISDNB-ISDNB3ZSB6ZS

Acronym

B8ZSB8ZSBBBABACPBAFBAICBAIDBAIFBANBANCSBAOCBASBAsizeBBNBBSBBWCBcBCCBCCBCCBCCBCCBCCHBCCHBCDBCDBCDBCDICBCHBCHBCIBCIBCLBBCLIDBCMBCMBCOBBCPBCRBCSBCSBCSMBDBDCBBBDCSBDFBBDSA

Acronym

BDTBEBEBECNBECNBEMSBERBERBERTBESBEtagBFCVBFIBGBGBGIDBGP4BGPBGSBGWBHCABHCCBIABIBBIBBIBRBIBTBIBXBICCBICIBICRoamBIGABINDBinHexBIOSBIPBIPIBISDNBISUPBISYNCBISYNCBITBITNETBITSBIUBLBLERBLIBLSR

Acronym

BLUBMBNBNCBNFBNIBNMBNNBNRBNSBNSBOBBOBIBOCBOCPBOICBOICexHCBOMBOOTPBORSCHTBPBPADBPDUBPIBPOPBPRBPRZBPSBPVBPXBRABRADSBRCSBREBRFBRIBRIBRIDSBRITEBRLUBRSBRSUBSBSBSABSBHBSCBSCBSC

Acronym

BSDBSEBSICBSNBSNRBSNTBSPBSRFBSSBSSBSSBSSBSSBSSGPBSSMAPBSTUNBTBTABTABTAMBTNBTSBTUBureauBUSBVABVCIBVIBX.25BXMC-ISUPC/(N+I)C/IC/NC/RC/RCCACACACACACABSCACCACCACDCADCADCAD

Acronym

CADSCAECAGRCAICALCAMCAMCAMCAMACAMELCANCAPCAPCAPCARCARCARCASCASCASECASECATCATCATIACATVCATVCAUCBCBCBCBACCBCCBCCBCHCBCUCBDSCBEMACBQCBRCBRCBSCBWFQCBXCCCCCCCCCCCC

Acronym

CCACCAPICCBCCBCCBSCCCCCCCCCHCCDCCECCFCCFCCGCCICCIECCIRCCIRCCISCCITTCCLCCLCCCNACCNCCCOCCOTCCRCCRCCRCCRCCRUCCS7CCSCCSCCSCCSACCSNCCSRCCCSS7CCTVCCUCCXMLCD-ROMCDCDCDCDCDCDARCDB

Acronym

CDCCDDICDECDFCDMA-1X-EV-DOCDMA-1XCDMACDOCDPCDPCDPDCDPSKCDRCDRCDRCDSLCDTCDUCDVCDVTCEDCEFCEICEICELL1CELPCELPCENTREXCEOCEPCEPCEPTCEPTCERCERNCERTCESCESCESARCETCEVCFCFCFACFBCFBNACFNCFNRyCFO

Acronym

CFU/B/NRCFUCGACGBCGFCGICGICGICGICGMCGSACGUCGWCHCHAPCHECHFPCHICHOCHTMLCICICICICICIACIBCIBERCICCICCICSCIDCIDCIDCIDCIDRCIDSCIDXCIFCIFCIIIICIMCIOCIPCIRCIRCIRCCISCCIT

Acronym

CITCITCIUCIXCKLCKSNCKTINTCL&FCLCLCLASSCLASSclassification)CLAWCLCCLCCLCCLCICLECCLEICLFCLFICLICLICLICLIDCLIPCLIRCLLICLLMCLNPCLNSCLPCLPCLRCLSCLSCLSICLTPCLTSCMCMCMCMCMCMCCMDBCMDRCMDS

Acronym

CMICMICMIPCMISCMISECMNMCMNSCMOLCMOSCMOTCMPCMRSCMSCMTCMTSCMUCNCNACNABCNCACNECNGCNMCNMACNS/ADCNSCO-ACDCO-LANCOCOCOAXCOCCOCOTCodeCODECCODECCOFACOICOLACOLACOLANCOLPCOLRCOMCOMCCOMPANDERCONFCONPCONS

Acronym

COPCOPICOPSCOPTCORBACOSCOSCOSECOSMOSCOTCOTCOTSCPCPCPCPCPCPCCPCCPCNCPCSCPCSCPECPECPGCPI/CCPICPICPMCPNICPNIECPPCPPCPRCPSCPSCPUCPUCCQCQMCQRCRCRCRCRCRACRCCRCCRED

Acronym

CREFCRFCRISCRLCRMCRMcrossconnectCRPCRSCRSCRTCRTCCRUCRVCS-1CS-ACELPCS-PDUCS1CS2CSCSCSCSCSCSACSACSACSACSAPCSBCSCCSCCSCCSDCCSDNCSDSCSDUCSECSFSCSHCSICSIMACSLIPCSMCSMCSMA/CACSMA/CDCSMA/CDCSMA

Acronym

CSMACSNCSNETCSNPCSOCSPCSPDNCSRCSRCSRCSSCSTCSTCSTCSTACSUCSVCT0CT1CT2-CAICT2CTCTCTCTCTCTCTCTACTBCTDCTICTIACTMCTRCTSCTSCTSCTUCTXCUCUCUCUGCustomCVCVMCVNCVR

Acronym

CVSDCVSDMCVTCWCWAFCWCCWIDCWIDOCxBusD-AMPSD-HD-WDMD/ID3D4DDADADADADADACDACDACKDACSDACSDAEDRDALDAMADAMLDANDAODAPDAPDAPDAPDARPADARPADASDASDASDASDDATDAUDAVICDB2DBdBDB

Acronym

DBACDBASDBCSDBCSDBIFDBMSDBNDBOSDBSDBSDBSSDBWDCDCADCADCADCBDCCDCCDCCDCCHDCCXDCEDCEDCEDCERDCFDCFDCHDCMDCNDCODCOMDCPDCPDCPSKDCRDCS-1800DCSDCSDCTDDDDDDCMPDDDDDIDDLDDLMPDDM

Acronym

DDMDDNDDPDDRDDRDDRDDSDDSDDSDDSDDDSNDEDEDEADEADECDECmccDECTDECTDEKDEPSKDERDESDESDESDESDFDFDFCDFLDFRIDFSDFSKDHCPDIADIDDIDDIDRDILICDIMMDIMMDIPDISADISADISCDITDLDLCDLCI

Acronym

DLCIDLEDLHDLLDLLDLMDLRDLRDLSDLSw+DLTDLUDLUDLURDLUSDMDMDMDMADMACDMACDMBDMEDMIDMIDMLDMPDMPDMPBDMSDMSDMSDMTDMTSDNDNDNDNDNADNADNADNCFDNHRDNIDNIADNICDNICDNICDNIS

Acronym

DNSDNSDNSPDNUDOCDOCSISDODDODDOIDOMSTATSDOSDOSDOVDOWDPDPDPDPADPBXDPBXDPCDPCMDPDUDPEDPGDPLDPMDPNSSDPODPSKDPSKDPTDPTDQDBDQDBDQPSKDRDRADRADDRAMDRAMDRCSDRDADRPDRPDRXDS-0DS-1DS-2

Acronym

DS-3DS-CDMADS0DS1DS2DS3DSDSDSDSDSADSADSAPDSCDSEDSEDSFDSGDSIDSLDSLAMDSMA/CDDSMADSNDSNDSNDSODPDSPDSPDSPDSPDSPUDSRDSRRDSSDSSDSSDSSSDSUDSXDSXDTDTAUDTDDTEDTFDTFDTHDTI

Acronym

DTLDTLUDTMFDTMFDTPDTPDTRDTRDTSDTSDTSDTUDTVDTZDUADUALDUPDVBDVIDVMDVMDVMRPDVTDVVIDWDMDXDXCDXIDXIE&MEAEAEAEADEADASEADASNMEAEOEAIEAMFEAOSSEAPEARNEARSEASEASEBATEBCDICEBSEBU

Acronym

ECECECECCECDSAECMECMAECNECNECSAECTFEDEDFAEDGEEDGEEDIEDIEDIFACTEDIFACTEDOEDPEDPEDSXEECMEEOEEOEEPROMEFEFCIEFDEFMEFREFSEFSEFSEFTEGAEGPEGPEGSMEHFEHPEHSAEIEIAEIDEEIGRPEIMEIP

Acronym

EIREIREIREIREIRPEIRPEISAEKTSELANELAPELECElectronicELFELFEXTELMIEMEMAEMAEMBARCEMFEMGEMIEMLEMREMSEMSEMSEMSENENENFIAENIACENQENSEOEOBEOCEODEOFEOLEOMEOTEPDEPGEPROMEPSEPSCSEPSCSEquipment

Acronym

ERERERERCERDErgonomistERLERMERMESEROERPES-ISESESESESESCONESDESDIESDRAMESFESFDLESGESIESIGESMEESMRESMRESMTPESNESNESNESPESPESPESPESPESPRITESSETETACSETBETCETCETCETEETFETNETR

Acronym

ETSETSIETXEUCLEULAEUMEUNEUnetEWOSExchangeEXCOEXMEXZFAFABSFACCHFACSFAQFASFASFATFATFAWFAXFBFBFBWAFCAPSFCCFCCFCCHFCDRFCFSFCIFFCRAMFCSFCSFDAFDDFDDIFDDIFDFFDIFDLFDLCFDMFDMFDMAFDX

Acronym

FEFEFEFEAFEACFEALFEBE-fFEBE-iFEBEFECFECC-fFECC-iFECCFECNFECNFEHFEIPFELBFEPFEPFEPSFERFFETFEXFEXTFFOLFFSFGFGFGDFGDFH-CDMAFHFHFHFHSSFIFIBFIBRFIBTFIBXFICFICONFIDFIDFIDFIFOFIFOFIP

Acronym

FIPSFIRPFISUFITLFLLFLMFLTLFMFMFMCFNFNFNPRMFNSFOFOCFODFoIPFOIRLFOTFOTSFOTSFPLMTSFPMFPPFPSFPSFPUFQDNFQPCIDFR-PVCFR-SSCSFRFRAFRAFRACFRADFRADFRADFRASFRASMFRDFRF-LMIFRFFRLFRMRFRPFRSFRS

Acronym

FRSSFRTSFSFSFSAFSDFSDPSKFSIPFSKFSLFSMFSMOFSNFSOQFSSFSSFSSRPFSTFT1FTAFTAMFTAMFTCFTEFTPFTPFTSCFTTCFTTHFTTLFTTNFUNIFUTFXFXOFXSFXSG/TGGGAAPGAPGAPGBPSGBPSGCGCACGCDGCF

Acronym

GCIGCRGCRAGDIGDOPGDPGEGEOGEOSGERANGFCGFCGFIGFLOPSGGPGGRFGGSNGGSNGHZGIFGINGIOGISGIXGKGKTMPGMPCSGMSGMSCGMSKGMTGNGNGNSGOGOBGOSGOSIPGPGPPCGPRSGPRSGPRSGPSGPSGPSGREGRINGRJ

Acronym

GRQGRSGRXGSGSGSGSAGSCGSM-RGSMGSNGSPGSSGSSGTPGTTGTTGTVGTXCGUIGUIGWHHAHACHCDSHCDSHCMHCSHCSHCSPRHCVHDB3HDLCHDLCHDMLHDOPHDRHDSHDSLHDTHDTMHDTVHDXHEHEHEHECHEC

Acronym

HELHEXHF/EHFHFHFCHFCHFEHFESHFRHFSHHDLCHIBCCHICAPHIDHILIHIPHIPERLANHIPPIHIPPIHLDHLFDHLLHLMHLPIHLRHLRHMAHMACHMIHMLPHMWHNPAHOHOHOBHOSTIDHP/UXHPHPAHPADHPCHPCHPCCHPCSHPFSHPQLOMGCHPQLOMIGHPR

Acronym

HQHSHSCHSCIHSCSDHSLANHSMHSNHSPSDHSRPHSSIHTHTMLHTTPHTTPHTTPHTTPSHTU-CHTU-RHTUHzI&RI/OIA5IAAIABIABIACIACIACIACSIADIAMIAMIANAIARIATIBCIBDNIBOIC-POTICICICICICANNICBICCICCB

Acronym

ICCFICCFICCIDICDICIICIICIDICIDICIPICLICLIDICMICMPICMPICOTICPICPICRICRLICSCICSWEICUIDBIDCIDCPIDCTIDEIDEIDEAIDECIDFIDFIDIIDLCIDNIDNIDNXIDPIDPIDPIDPRIDRIDSIDSIDTIDTIDUIEIEA

Acronym

IECIECIEEEIEEEIESGIETFIFIFAIFCIFRIFRBIGIGESIGMPIGOSSIGPIGRPIHLIIHSOIIMEIISIISOIITIKEILDILECILECILMIiLOILPIMIMIMAIMAIMAP4IMAP4IMAPIMDIMDBIMEIIMGIMLIMLIMLIMPIMSIMSIMSIIMT

Acronym

IMTCIMTSIMUXIMUXININININAINAINAPINBINCINCRPINEINLINMARSATINPINPINPAINPGINRINSINWATSIOIOCIOCCIOPIOSIPIPIPIPABXIPACIPATIPCIPCPIPIIPLIPMIPPIIPRIPSIPSecIPSOIPSSIPXIPXCPIPXWANIR

Acronym

IRIRIRIRIRBIRDIRDIrDAIRDPIRDSIRMIRNIRPIRPCIRQIRQIRRIRSGIRTFIS-ISIS41ISISISISISAISACISAKMPISAMISCISCPISDNISDNUPISDNUPISIISIDISLISLANISLUISMISMISNISOISOISPISPISPCISRISR

Acronym

ISSIISSIPISSNISUISUPISUPISVITITITAITAC-TITACITBITCITCMITFSITGITGSITNITSPITU-DITU-RITU-TITUITUITVIUMIVIVIVDIVDMIVDSIVRIVSIVSIVTTAIWIWFIWFIWUIWXIXIXCIXCIXVGJAINJISJITJPEG

Acronym

JPEGJREJTAJTAPIJTMJUNETJVMKKBPSKBPSKCPSKHZKMKPKPIKTSKWHLAALACLACLACLADSLADTLAILAMALAN-PHYLANLANELANSLAP-BLAP-DLAPLAPLAPBLAPDLAPDLAPFLAPMLAPSLAPXLARGLASSLASSLATLATALAVCLAWLBSLBT

Acronym

LCLCLCLCLCALCCLCDLCDLCFLCFLCFOLCGNLCMLCNLCPLCRLCSLDLDLDLDAPLDAPLDAPIFLDCLDDILDFLDILDMLDNLDSLDSLE/PHLELECLECLEDLEIFLENLENLENLEOLEOSLEOSLERGLESLESLESVCLETLF

Acronym

LFLFLFACSLFSIDLGCLHLILILILIDBLIDBLIFLIFLIFOLIPXLISALISCLITLLAPLLBLLCLLCLLILLSCLMCLMDSLMDSLMILMOSLMSLMSILMSSLMTSLMULNPLOLOLOCLOCREQLOFLOHLOMLOP-LLOP-PLOP-VLOPLOPLOSLOS

Acronym

LOSWLPLPCLPDLPDA2LPDPLPICLPPLPPLPULPVSLRBLRCLRCLRJLRNLRQLSLSLSACLSAPLSBLSCLSCLSILSLLSLALSLDLSLRLSMSLSNELSNPLSOLSOALSPLSRLSSGRLSSULSULTLTLTLTDLTELTGLULULULU

Acronym

LULTLUNTLXTM&PM2UAM3UAMMMAMAAMACMACMADNMANManagementMAP/TOPMAPMAPMAPMAPMAPMAPMAPDUMAPIMARMATMAUMAUMAUMBMBMBGMBI-AMBIMBPSMBSMC/SGMCMCMCMCAMCCMCCMCCMCGAMCIMCPAMCPCMCR

Acronym

MCS/ASMCS/MSMCSMCUMCUMCUMCVDMDBMDBSMDCPMDFMDIMDISMDNSMDRMDRMDSMDTMDTPMDUMEMEDMEGACOMEOMEOSMFMFMFMFMFMFASMFJMFJMFLOPSMFSMFSKMGMGC/MGMGCMGCPMGWMHSMHSMHZMIBMIBMICMICAMID

Acronym

MIDMIDMIDIMIDPMIFMIFMIMDMIMEMIMEMINMINMIPMIPSMISMITMITIMIXMJUMLACMLCMLCMLHGMLIDMLMMLNMLPMLPMLSMLTMLTMMMMMMMMCMMDSMMDSMMFMMIMMLMMSMMSMMSCMMSKMMUMNCMNOMNPVCMOMO

Acronym

MOCMOCMODEMMOMMOOSMOPMOSFETMOUMPMPBMPEGMPEGMPLSMPoAMPOPMPRMPSMPTNMPXMRCPMRFMRIMRVTMSMSMSMSMSMSAMSAMSAMSAGMSBMSCMSCMSCTMSDMSDMMSGMSISDNMSISDNMSKMSOMSOMSPMSRNMSSMSSMSS

Acronym

MSTMSUMSVCMT&TMTMTAMTAMTAUMTBFMTCMTFMTPMTPMTPMTSMTSMTSMTSOMTSOMTTRMTUMTUMUBMULDEMMUXMVIPMVNOMVPNMVSMWIN-AMPSNA-TDMANANAANAANABERNACNACNACNACNACKNADHNAKNANCNANPNANPNAPNAPNAPLS

Acronym

NARNARUCNASNASNASNASANASDAQNATNATNATANAUNAUNBNBPNBSNCNCNCANCCNCCNCCNCCFNCINCIANCPNCPNCPNCPNCSNCSANCTANCTENCTENDCNDFNDISNDISNDSNENEARnetNEATNECANENANETNETIDNEXTNFASNFASNFAS

Acronym

NFSNFSNGDLCNGNNGWNINININICNICNICNICENIDNIINISTNIUNIUFNIUFNLNLNLDMNLMNLOSNLPIDNLSPNMNMNMNMANMANMCNMCCNMINMLNMPNMPNMRNMSNMSNMTNMVTNNNNANNINNINNTPNNTPNOCNOCC

Acronym

NOPNOSNOTENPANPACNPASNPDNPDANPDUNPDUNPINPRMNPRNNPSINRCNRENNRENNRFNRICNRSNRZNRZNRZINRZINS/DOSNSNSANSANSAPNSCNSFNSFNSFNETNSINSPNSPNSPNSSNSVCNTNTNTNTNTASNTENTGNTNNTNNTO

Acronym

NTSCNTTNTTNTWNUINUINVENVODNVRAMNVTNWPNWPDNXXNYNEXO&MOA&MOAOACSUOADMOAIOAM&POAM&POAMOANADOBFOBOOBPOC&COC-NMSOC-SACOC3OCOCOCOCALOCCOCCOCCAOCCIOCIOCMCOCMP-BREOCMP-BREOCMPOCPOCPDOCROCSACOCSC

Acronym

OCUOCUDPODAODBCODBCODIODIFOEOEOEMOEMOEOOFAOFDMOHDOIDOIDOIDOIMOLAPOLCOLEOLNSOLPOLTMOLTPOLTPOMOMAPOMAPOMC-ROMC-SOMCOMLONAONAONCONIONMSONPONUOOOODOODBMSOOFOOPOOPSOOSOOS

Acronym

OPCOPIOPNOPS/INEOPSOPTOPXORORBORCAORCAORMORTOSOSAOSFOSI/CSOSI/FSOSI/NMFOSIOSIOSINETOSIRMOSLPOSOOSOOSPOSPOSPFOSSOSSOSSOTAOTAOTDROTFOTGROTISOUOUIOVOVDOVwP/ARP/FP2PPAPAPA

Acronym

PABXPACSPADPADPADPALPAMPAMPAMRPANSPAPPAPPAPPARPARPARCPASPPAWPBDPBXPCPCPCPCAPCBPCBPCFPCHPCIPCIPCIPCIOPCMPCMCIAPCNPCNEPCRPCS-1900PCSPCTFPCUPCUPDPDPDPDAPDAPDCPDC

Acronym

PDFPDFPDHPDI-PPDI-VPDMPDNPDPPDPPDSPDUPDUPEDCPELPEPPEPPERPFPFDLPFMPGPGSPGTCPHPHSPHSPHY-PCIPHY-SAPPHY-SDUPHYPHYMPIPIPIBPICPICPICPICPICCPICCPIDPIGPIMPIMPINPINPINSPIPPIT

Acronym

PIUPJCPKIPKIPL/SQLPLPLAPLARPLBPLCPLCPPLIMPLMNPLMNPLPPLPPLSPLUPLUPMPMPMPMPMPMAPMCPMDPMRPMTSPNNIPNSPOCPOCSAGPODPOFPOHPOIPONPOP3POPPoPPOPPoSPOSPOSIPOSITPOSIXPOSTPOST

Acronym

POTPOTSPOTSPOTSPPPPBPPCPPDPPDPPDPPDUPPMPPPPPSPPSPPSNPPSPPRAPRBSPRBSPRCPRDPRDPREMISPRIPRIPRMPROFREQPROFSPROMPRSPRSPRSPRSIGPRUPSPSAPPSBPSCPSCPSDPSDMPSDNPSDNPSDSPSDSPSELFEXTPSIPSI

Acronym

PSKPSNPSNEXTPSPPSPDNPSPDNPSRCPPSTNPSUPSWPSXPTPTEPTIPTIPTIPTMPTMPTNPTNPTOPTTPTTPTZPUPUPUCPUKPVCPVNPVTPWTPXEPZNQAQAQAMQAMQAPSKQASPRQBEQCELPQCIFQDTQERQLLCQoEQoRQoR

Acronym

QOSQPAQPMQPSKQPSXQRSQRSSQTAMR5R6RRRACRACRACRACERACFRACHRADRADRADIUSRADNRAIRAIRAIDRAIDRALRALBRAMRAORARPRASRASRASRASPRATRBEFRBENRBOCRBSRBSURBSURCRCRCRCRCRCARCC

Acronym

RCCRCERCFRCFRCFRCIRCMACRCRMSRCURCVRCVRRDRDRDRDRDACRDBMSRDCRDFRDFRDI-LRDI-PRDI-VRDIRDMSRDPRDPLRDSSRDTRDTDRDURERECREGNOTREJRELPREMRENREPRESPRETRFRFARFCRFCRFHRFIRFIRFP

Acronym

RFPRFQRGRGRGMRGWRHRHCRIRIRIRIBRIBCLRIFRIIRILOERIMRIPRIPRIPERISCRISCRJERLCIRLDIRLMRLSDRMRMANRMATSRMDRRMONRMSRNRNCRNRROROCPROHROIROMROMPRORROSROSEROTLROUTREQROWRP

Acronym

RPRPCRPCURPE-LTPRPMRPOARPRRPSRRRRJRRMRRQRRQRRUDRS-232CRS1RSARSARSARSAPRSCSRSCVRSLRSLRSMRSMRSMRSPRSPRSSRSSRSSRSURSUPRSVPRSXRSZIRTRTRTRTARTARTADRTBRTCRTCPRTFRTMPRTP

Acronym

RTPRTPRTPRTRRTSRTSRTSERTSPRTURURVIRWRXRZS&ES<S-CDMAS-PCNS/NS7APSSA/SPSASASASASAASAASAALSABMSABMESACSACSACSACSACCHSADSAGSAISAMSAMSAMSAMSAMISANSANCSAPSAPSAP

Acronym

SAPISAR-PDUSARSARSARSARMSASSASSASSASESATASATDSBSBSBSBISBISBSSBXSC-FDESCSCASCASCASCAISCAISCCSCCSCCSCCPSCCPSCCSSCESCEFSCFSCHSCOSCPSCPSCPSCPCSCPSSCRSCSASCSISCTESCTPSDSD

Acronym

SDCCHSDCUSDFSDHSDHSDKSDLSDLCSDLCSDLLCSDMSDMSDMASDNSDNSDPSDPSDPSDRSDRAMSDRAMSDSSDSSDSSDSAFSDSLSDSUSDTSDTVSDUSESEALSECAMSECAMSecureSEESEFLSELSEPSEPSESSETSFSFSFSFSFSFSFCDR

Acronym

SFHSFSSGSGSGSGCPSGMLSGMLSGMPSGRAMSGSNSGSNSHSHARPSHFSHNSSHRSISISISISIBSIBSICDRSIDSIDSIDSIDESSIESIFSIFSIGSIGSIGSIGSSIGTRANSILSSIMSIMSIMSIMSIMDSIMMSINSINADSIOSIOSIOSIO

Acronym

SIPSIPSIPSIPSIPBSIRSIRSITSITSITASIUSIVSJFSKSLSLASLCSLCSLCSLDRAMSLEESLEESLICSLIPSLIPSLMSLPSLPSLPSLPISLRSLSSLSSLSSLUSMSMSMSMAFSMAFSMAPSMASESMATVSMBSMCSMD-PPSMDFSMDISMDR

Acronym

SMDSSMDSSMESMESMFSMGSMISMISMILSMLSMPSMPSMPSMPSMPPSMPPSMRSMRSMS-CSMS-MOSMS-MTSMS-PPSMSSMSSMSSMSASMSCSMSCBSMSCBSMTPSMTSSN&MSNSNSNSNSNSNASNASNADSSNAPSNDSNDCPSNDRSNETSNISNMPSNMPSNMP

Acronym

SNMPIFSNMPv2SNPSNRSNRSNRMSNRMESOSOSOSOASOACSOAPSOFESOHSOHSOHSOHOSOHOSOJSONETSONETSONETSORDSPSPSPSPSPSPASPASPAGSPANSPANSPARCSPCSPCSPCSPCSPCLSPCRSPCSSPCSSPDSPDUSPESPFSPISPID

Acronym

SPINSPLNPSPMSPMPSPNSPOCSPOFSPPSPRMSPTSPTNSPXSQSQAMSQDSQLSQLSQPSKSQRSR-TBSRSRSRSRAMSRDSRDMSRESREJSRESSRFSRFSRISRLSRMSRPSRPSRPSRTSRTSSS6SS7SS7SSSSSSSSSSSSASSAP

Acronym

SSBSSBSCSSCPSSCPSSCPSSCSSSESSFSSFSSHSSISSLSSMSSMLSSNSSNSSPSSPSSPSSPSSPESSSSSSSSTSSTDMASTSTSTSTSTSTASTACKSTCRSTDSTDMSTESTESTESTKSTKSTMSTMSTMSTPSTPSTPSTPSTPSTS-1

Acronym

STSSTUNSTXSUSUASUERMSUSSVCSVCSVCSVCSVCSVDSVGASVISVSSVVSWSWAPSWCSWCSWF-DS1SWFSWFCSXSSXSSYNSYNCHSYNTRANSystemSZT-1TTATATATATACTACTACACS+TACACS+TACDTACSTAFTAGTAGTALITAMTAN

Acronym

TAOTAPTAPTAPITAPITAPITASITATTATTAUTAUTAXITBTBDTBETBRTCTCTCTCTCTCTCTCTCATCAMTCAMTCAPTCAPTCHTCITCIFTclTCMTCMTCMTCNTCP/IPTCPTCPTCPTCUTCUTD-CDMATD-SCDMATDTDTDCTDCC

Acronym

TDDTDITDMTDMTDMATDMSTDOATDPTDRTDXTDYTE1TE2TETEITELNETTELRICTEMPESTTETRATFNTFOTFSTFTTFTPTFTSTGTGTGWTHTHLTHTTHTTITIATIATICTIETIFTIFFTIMSTIPHONTIRKSTJTL1TLAPTLBTLDTLHTLP

Acronym

TLPUTLSTLVTLWSTMTMATMCTMCTMCTMDTMGBTMNTMRATMSTMSTMSITMSITNTNTNTNATNSTOATOATODTOHTOMTOPTOPSTOSToSTOSTP-PMDTPTPTPTPTPADTPAUTPCTPCCTPDUTPGTPITPKTTQMTRTRTR

Acronym

TRATRATRAUTRAUTRDTRIPTRSTRSSTRTTRTTRUTRWTRXTRXTSTSTSTSAPTSAPITSAPITSATTSCTSCTSCTSCTSDUTSGTSGRTSITSIDTSMTSMTSMTSOTSOPTSPTSPSTSRTSRTSRTSSTSSTSSTSSITSTTSTTSTSTSUTT

Acronym

TTTTTTCTTDTTLTTLTTPTTPTTRTTTRTTTSTTUTUTUITUPTURTURNTVROTVROTWTWATWSTXUAUAUAUANUARFCNUARTUASUBRUCAUCANUCDUCDUCICUCSUDCUDIUDLCUDLCUDPUDPUDTUDTSUEUELUHFUI

Acronym

UIUIUIDUISGULTRIXULTSUMUMBUMTSUMTSUNUNCUNIUNIUNICODEUNMAUPUPAUPCUPNUPSUPSUPTUPTUPUURIURJURLURLURNURQUSAAUSARTUSATUSBUSIUSIMUSIMUSOUSOUSOCUSOCUSPUSRUSSUSSDUSTAUSTKUSU

Acronym

UTAMUTCUTCUTCUTMUTMUTPUTPUTRAUTRANUTSUUCPUUSUVGUWBVADVADVANVANVANCVANSVAPVAPDVASVAXVAXenVAZOVBNSVBR-NRTVBR-RTVBRVBRVCVCVCVCVCAVCCVCIVCIVCLVCMVCRVCSVCSVCSVDMVDSLVDT

Acronym

VDUVEVESPVFVFGVFLVGVGAVHDCIVHDSLVHEVHFVIVICSVINVINESVIPVIPVIPVLVLANVLBRVLFVLRVLRVLSIVMVMVMEVMIVMRVMSVMSVMWIVNVNLVNSVoATMVoBVODVoDSLVOFDMVoFRVoiceXMLVoIPVOIPVoIPVONVOP

Acronym

VPVPVPCVPCVPCVPDNVPIVPIMVPNVPOVPTVPXVQCVQCVQLVQLVQNVRVRVRAMVRAMVRCVRMLVRUVSAMVSATVSATVSATVSB/AMVSBVSCVSELPVSMSCVSPVTVTVTAMVTAMVTEVTPVUVXMLVXMLVxVMW-CDMAW-DCSW3CWAWACK

Acronym

WACSWAEWAISWAISWALWAN-PHYWANWAPWARCWATSWAWWB/BBWCWCDMAWDWDCXWDMWECAWEPWFAWFAWFQWFWWGSWIIWILLWIMPWINWINWINForumWINSWINTELWISPWLANWLLWMWMLWOLWorkSCEWPWQAMWRAMWRMWSWSWSCWSLWSOPWSP

Acronym

WSPWTAWTLSWTNWTPWUIWWWWYSIWYGXA-FRXA-SMDSXAXAMEXAPIAXBARXCXDFXGAXIXIXIDXML-RPCXMLXMPXMSXNSXOXPDXPDXPGXPIXTPYPZBTSZBTSIZCSZIPZISZITZUM

Acronym

FULLFORMThe first generation of analogue mobile phone technologies (AMPS, TACS and NMT)The enhancement of GSM which includes technologies such as GPRSTwo Bits, One Quantenary2-Dimensional Root Mean SquareThe second generation of digital mobile phone technologies (GSM, CDMA IS-95 and D-AMPS IS-136)The third generation of mobile phone technologies covered by the ITU IMT-2000 familyThe 3rd Generation Partnership ProjectThird Generation Partnership ProjectOctantal Phase Shift KeyingInterface between the BSC and BTS in a GSM networkAdvanced Time Division Multiple AccessEncryption algorithms for GSM networksAdministrative AuthorityAllocation AreaAuto Answer

Automatic Answer BackAlternate Access CarrierAuditory Assistance DeviceATM Adaptation LayerAlternate Access ProviderAutomatic Alternate RoutingAutomatic Alternative Routing

Alternate Access VendorsAccess BurstAbnormal end

Asynchronous Balanced Mode (HDLC)ABM ExtendedArea Border RouterAvailable Bit Rate (ATM)Automatic Baud Rate DetectionAlternate Billing ServiceAlternative Billing ServicesApplication Bridge ServerAverage Busy StreamAverage Busy Season Busy Hour (telephony)Access ConnectionsAccess Control (Token Ring, FDDI)Alternating CurrentAuthentication Center

Annoyance Call BureauANSI C++ CompilerAssociated Control Channel (GSM)Automatic Call Distribution/DistributorAlgebraic Code Excited Linear Prediction

Authentication, Authorisation, and Accounting (OAM)

AppleTalk Address Resolution Protocol

Accunet Bandwidth Manager

Asyncronous Communication Adapter

Acronym

Access Control Field (DQDB)Access Coordination FunctionAdvanced Communication(s) FunctionAdvanced CMOS Frame Aligner

Answer Controller InterfaceAsyncronous Communications Interface AdapterACKnowledgementAcknowledgment (DDCMP, BISYNC)Access Control ListAddress Complete Message (SS7)Access Carrier NameAdvanced Communication NetworkApplication Context NameAutomated Customer/Carrier Name and AddressAutomatic Cut OffAccess/Action Control PointAdvanced Configuration and Power InterfaceAllowed Cell RateAnonymous Call RejectionAutomatic Call RoutingAsynchronous Communications ServerAssociation Control Service Element (Application Layer)Applied Computer TelephonyAmerica's Carriers Telecommunications AssociationApprovals Committee for Terminal EquipmentActivate Logical Unit (SNA)Activate Physical Unit (SNA)Advanced Communications Technologies and ServicesAdvanced Communications Technology SatelliteAutomatic Coin Telephone SystemAlarm Control UnitAntenna Combining UnitArray Configuration UtilityAuto Callback UnitAutomatic Calling UnitAssociation of College & University Telecommunications AdministratorsAdministrative DomainAutomatic Dialing-Announcing DeviceAnalog to Digital ConverterAdvanced Data Communications Control Protocol (ANSI)Automatic Dialing DeviceAdapter Description FileAdditional Directory ListingAdd/Drop MultiplexerAdvanced DMA controllerAdministration Management DomainAdvanced Digital Network

Automatic Call GappingAutomatic Code Gapping

Acronym

Advanced Data Network SolutionsAutomatic Data ProcessingAdapted Differential Pulse Code ModulationAdaptive Differential PCMAdaptive Digital PCMAmeritech Advanced Data ServicesAbstract Data StructureAssociated Directory ServicesAnalog Display Services InterfaceAsymmetrical Digital Subscriber LineAppleTalk Data Stream ProtocolAll Dielectric Self-SupportingATM DSUAutomated Digital Terminal SystemsApplication Entity (GSM)AppleTalk Echo ProtocolAlignment Error Rate MonitorAlignment Error Rate Monitor (SS7)Audio FrequencyAutomatic Frequency ControlAnalog Front EndAuthority and Format Identifier (ISO)AppleTalk Filing ProtocolAutomatic Facility Protection SwitchingAutomatic Flexible RoutingAndrew File SystemAudio Frequency Shift KeyingAutomatic Gain ControlAccess Grant Channel (GSM)Analog GroundAccess GatewayAuthentication HeaderAverage Handle TimeAverage Hold TimeAccess InterfaceArtificial IntellegenceAsynchronous Interface ModuleAdvanced Intelligent NetworkAdvanced Intelligent Network (SS7)Asynchronous Input/OutputAutomatic Identification of Outward DialingATM Interface Processor (Cisco)Alarm Identification Reporting System (Harris)Alarm Indication Signal-LineAlarm Indication Signal-PathAlarm Indication Signal-VirtualAlarm Indication Signal (GSM)Automatic Intercept SystemAnalog Interface Unit

Acronym

Advanced Interactive Executive (IBM's Version of UNIX Operating System)Address Location InformationAutomatic Location InformationAutomatic Location Identification SystemAutomatic Line Insulation TestAdministrative Law JudgeAirline Product Set (Cisco)Automatic Loop Protection SwitchingAlternate Local Transport ServicesArithmetic Logic UnitActive MonitorAdministrative Module (AT&T 5ESS)Amplitude ModulationAutomatic Message AccountingAutomatic Message Accounting Control CenterAMA Data Networking SystemAMA Teleprocessing SystemAdvanced Micro Devices, Inc.Alternate Mark InversionAlternative Mark InversionAudio Messaging Interchange SpecificationActive Matrix Liquid Crystal DisplayAccess Mechanized Order SystemActive Monitor Present (Token Ring)Administrative Module ProcessorAIN Maintenance ParameterAdvanced Mobile Phone Service/SystemAdaptive Multi-Rate codecAdjusted Main Ring LengthAccess NumberAccess Network ControllerAutomatic Number IdentificationAutomatic Number Identification (ISDN)Ameritech Network ManagementAnswer MessageAutomatic Numbering PlanAutomatic Network RoutingAdvanced Network SystemsAmerican National Standards InstituteActive Nonvolatile MemoryAdvanced NetwareAngle Of ArrivalAdvice Of ChargeAdvice of Charge ChargingAdvice of Charge IndicationAmerica OnLineAll Optical NetworkAlternative Operator ServicesAccess Point

Acronym

Access ProviderAction PointActivation PlatformAdjunct ProcessorApplication Processor/Process/ProgramAll Points AddressableAuto Port AggregationAsynchronous Packet Assembler/DisassemblerAutomated Packet Recognition/Translation (Cisco)Adjacent Point CodeAvalanche Photo DiodeApplication Protocol Data UnitApplication Program/Programming InterfaceAnalog Private LineAccess Point NameAsia Pacific Network Information CenterApplications Portability ProfileAdvanced Program-to-Program Communication (IBM)Advanced Program-to-Program CommunicationsNext-generation APPNAdvanced Peer-to-Peer Networking (IBM)Alarm Processing RemoteAutomatic Protection SwitchingAutomatic Protection Switching ByteTelephony Applications SystemAutomated Pricing, Terminals Operations & ServicesAutomatic Progression Trunk TestingTelephony Control SystemAcceptable Quality LevelAccess RegistrarAppleTalk Remote AccessATM Research ConsortiumAttached Resource Computer NetworkAudio Ringing Codec FilterARCOFI Coefficient Support ProgramAutomatic Ring DownAll Routes Explorer (Source Routing)Absolute Radio Frequency Channel Number (GSM - UMTS)Association of Radio Industries and BusinessesAmerican Registry for Internet NumbersAdmissions Reject (RAS)Adjusted Ring LengthAsynchronous Response Mode (HDLC)Address Resolution ProtocolAddress Resolution Protocol (IETF)Advanced Research Project AgencyAdvanced Research Projects AgencyAdvanced Research Projects Agency NetworkAverage Revenue Per User

Acronym

Admissions Request (RAS)Automatic Repeat reQuestAutomatic Route SelectionAutomated Repair Service BureauAlarm Relay UnitAutomatic Response UnitAudio Response UnitAccunet Switched 56Autonomous SystemAuthorized Sales AgentAverage Speed of AnswerAdjunct Switch Application InterfaceATM Subscriber Access MultiplexerApplication Specific BitsAutonomous System Boundary RouterAIN Switch CapabilitiesAmerican Standard Code for Information InterexchangeAmerican Standard Code for Information Interexchange (ANSI)Agent-Set Control UnitAutomated Software DistributionACCUNET Spectrum of Digital Services (AT&T)Amplified Spontaneous EmissionsApplication Service Element (GSM)Abstract Specification FileAlternate Space InversionATM Service InterfaceApplication Specific Integrated CircuitAlphaServer Intelligent PeripheralAmplitude Shift KeyingAbstract Syntax Notation One (ITU-T)Abstract Syntax Notation (ITU-T)Abstract System NotationAuxiliary Signal NetworkActive Server PagesAdvanced Speech ProcessorAppleTalk Session ProtocolApplication Service ProviderAssignment Source PointAuxiliary Signal PathAdvanced SCSI Programming InterfaceAccess Service RequestAnswer-Seizure RatioAutomatic Server Recovery (HP)Automatic Speech RecognitionAutomatic Spanning TreeASYNCHronousAmerican Telephone and Telegraph CompanyAccess Tandem switchAdvanced Technology

Acronym

Analogue Telephone AdapterArea Trunk Assignment BureauAll Trunks BusyAppleTalk Control ProtocolAsynchronous Time Division MultiplexingAddress Translation Gateway (Cisco)Attention HangupAny Time Interrogation (GSM - UMTS)Alliance for Telecommunications Industry SolutionATM Link IdentifierATM Protocol Control InformationATM Service Data UnitAsynchronous Transfer ModeAutomatic Teller MachineATM Layer ManagementAccess Tandem NetworkAcceptance Test ProcedureALPS Tunneling Protocol.AppleTalk Transaction ProtocolApplication Transaction ProgramsAdvanced Telecommunications ServicesAmerican Television Systems CommitteeAustralian Telecommunication Standardization CommitteeADSL Transceiver Unit-Central office endADSL Transceiver Unit-Remote terminal endAccess UnitAuthentication CenterAttachment Unit InterfaceAttachment User InterfaceAcceptable Use PolicyAppleTalk Update-based Routing ProtocolATM User Service ModuleApple UNIXAdvanced Voice BusyoutAlternate Voice DataATM Voice MultiplexerAutomatic Voltage RegulatorAutomated Voice Response UnitAdmin WorkstationAdministrative WeightAmerican Wire GaugeBroadband Code Division Multiple AccessBroadband Customer Premises EquipmentBroadband ISDN Inter-Carrier InterfaceBroadband ISDN InterCarrier InterfaceBroadband Integrated Services Digital NetworkBroadband ISDNBinary 3 Zero SubstitutionBinary 6 Zero Substitution

Acronym

Binary 8 bit Zero SubstitutionBinary 8 Zero SubstitutionBearer channelBridgeBalanced Asynchronous (HDLC)Bandwidth allocation control protocolBellcore AMA FormatBarring of All Incoming callsBilling Account IDBilling Account Identification FacilityBilling Account NumberBell Administrative Network Communications SystemBarring of All Outgoing callsBasic Activity SubsetBuffer Allocation Size (DQDB, SMDS)Bolt Baranek and NewmanBulletin Board SystemBattery-Backed Write CacheCommitted Burst SizeBase station Color Code (GSM)Base Station Colour Code (GSM - UMTS)Block Calls Cleared (telephony)Block Check Character (BISYNC)Bus Control CardBroadcast Common Control Channel (GSM)Broadcast Control Channel (GSM)Binary Coded DecimalBlocked Calls DelayedBlocked Calls Delayed (telephony)Binary Coded Decimal Interchange CodeBlocked Calls HeldBroadcast ChannelsBackward Call IndicatorsBell Canada InternationalBroadband Connectionless Bearer Service (ATM)Bulk Calling Line IdentificationBasic Call ModelBit Compression MultiplexerBroadband Connection-Oriented Bearer Service (ATM)Best Current Practices (RFC)Blocked Calls ReleasedBasic Combined SubsetBusiness Communication ServicesBasic Call State MachineBill DateBattery Distribution Circuit Breaker BoardBroadband Digital Cross-Connect SystemBattery Distribution Fuse BoardBasic Digital Special Access

Acronym

Telecommunications Development BureauBack-endBlock ErrorBackward Explicit Congestion NotificationBackward Explicit Congestion Notification (LAPF)Business Exchange Measured ServiceBasic Encoding Rule(s)Bit Error Rate/RatioBit Error Rate TestBasic Exchange ServiceBeginning-End Tag (DQDB, SMDS)Binary Facility Coding ValueBad Frame Indicator (GSM)Billing GroupBusiness GroupBusiness Group IdentificationBGP Version 4Border Gateway Protocol (IETF)Business and Government Services (USW Enterprise)Billing GatewayBusy Hour Call Attempt(s)Busy Hour Call CompletionsBurned-in MAC addressBackward Indicator BitBackward Indicator Bit (SS7)Backward Indicator Bit ReceivedBackward Indicator Bit to be TransmittedBackward Indicator Bit eXpectedBearer Independent Call ControlBroadband Inter-Carrier InterfaceBarring of Incoming Calls while RoamingBus Interface Gate Array (Cisco)Berkeley Internet Name Domain (DNS)Binary HexadecimalBasic Input/Output SystemBit Interleaved Parity (SONET, SDH)Billing Plug-InBroadband Integrated Services Digital Network (ISDN)Broadband ISUP (ISDN User Part)BInary SYNChronous (also BSC)Binary Synchronous Communications protocol (IBM)BInary DigitBecause It's Time NetworkBuilding Integrated Timing SupplyBasic Information UnitBasic LinkBLock Error RateBusy Lamp IndicatorBidirectional Line Switched Ring (SONET)

Acronym

Basic Link Unit (SNA)Broadband ModemBilling NumberBayonet Neil CouncilmanBackus Naur FormBroadband Network InterfaceBroadband Network ModuleBoundary Network NodeBell Northern Research (subsidary of BCE)Bill Number ScreeningBroadband Network ServiceBreakout BoxBreak-out/Break-in (Cisco)Bell Operating CompanyBusiness Optional Calling PlanBarring of Outgoing Internaltional CallsBarring of Outgoing International Calls except those to the Home CountryBeginning of Message (DQDB, SMDS)Bootstrap ProtocolBattery feed, Overvoltage protection, Ringing, Signaling, Coding, Hybrid and TestingBinding PostBISYNC Packet Assembler/Disassembler (PSPDN)Bridge Protocol Data Unit (LAN)Baseline Privacy InterfaceBuilding Point of PresenceBusiness Process Re-engineeringBipolar Return to ZeroBits Per SecondBipolar ViolationBroadband Packet Exchange (StrataCom)Basic Rate AccessBellcore Rating Administrative Data SystemBusiness and Residence Centrex ServicesBridge Relay ElementBridge Relay FunctionBasic Rate InterfaceBasic Rate Interface (ISDN)Bellcore Rating Input Database SystemBasic Rate Interface Transmission Equipment/ExtensionBroadband Remote Line UnitBusiness Recovery ServiceBroadband Remote Switching UnitBase StationBearer ServiceBasic Service ArrangementBusy Season Busy Hour (telephony)Base Station Controller (GSM)Binary Synchronous Communications protocol (IBM)Bisynchronous Communications

Acronym

Berkeley Software DistributionBasic Service ElementBase Station Identity Code (GSM)Backward Sequence Number (SS7)Backward Sequence Number ReceivedBackward Sequence Number to be TransmittedBell System PracticeBasic System Reference FrequencyBase Station Subsystem (GSM)Basic Service SetBasic Synchronized SubsetBroadband Switching SystemBroadcasting Satellite ServiceBSS GPRS ProtocolBase Station Subsystem Mobile Application Part (GSM)Block Serial TunnelBurst Tolerance (ATM)Basic Trading AreaBasic Trading Areas (Rand McNally)Basic Telecommunications Access Method (SNA)Billing Telephone NumberBase Transceiver Station (GSM - UMTS)Basic Transmission Unitof Standards)Broadcast and Unknown ServerBilling Validation ApplicationBSSGP Virtual Vonnection IdentifierBridge Group Virtual InterfaceAT&T implementation of X.25Broadband Switch ModuleProprietary Cisco protocol based on ISUPCarrier to Noise plus Interference RatioCarrier to Interference RatioCarrier to Noise ratioCommand/ResponseControl/Response Indication BitCurbCall Appearance (Telecom)Certificate/Certification/Certifying AuthorityCollision AvoidanceCommunications AssistantConditional Access (SAT)Carrier Access Billing SystemCarrier Access CodeConnection Admission ControlCommission Advisory and Compliance DivisionComputer Automated/Aided DesignComputer Automated/Aided DispatchComputer Automated/Aided Drafting

Acronym

Computer Automated/Aided Dispatch SystemComputer Automated/Aided EngineeringCompound Annual Growth RateCommon Air InterfaceCustomer Access LineCisco Access ManagerComputer Automated/Aided ManufacturingContent-Addressable MemoryCentralized Automatic Message AccountingCustomised Applications for Mobile network Enhanced Logic (3GPP 23.078)Cosmopolitan Area NetworkCAMEL Application PartCarrierless Amplitude/Phase modulationCompetitive Access ProviderCisco Access RegistrarCommitted access rateCurrent Activity ReportCentralized Attendant ServiceChannel Associated SignalingCommon Application Service ElementComputer Aided Software EngineeringCarrier Access TariffComputer Aided TomographyComputer Assisted Three-dimensional Interactive ApplicationCAble TeleVisionCommunity Antenna TeleVisionCable Access UnitCell Brodcast (GSM)Channel BankCitizens BandContext-Based Access ControlCell Broadcast Center (GSM)Cipher Block ChainingCell Brodcast Channel (GSM)Centralized Broadband Control UnitConnectionless Broadband Data Service(s)Computer and Business Equipment Manufacturers AssociationClass-Based QueuingConstant Bit RateConstant Bit Rate (ATM)Cell Broadcast Services (GSM)Class-Based Weighted Fair QueueingComputerized Branch eXchangeCall ContextCall ControlCluster Controller (IBM)Connect ConfirmationCountry Code (ITU-T)Customer Care

Acronym

Call Control AdjunctCall Control APICall Control BlockCustomer Care and BillingCall Completion on Busy SubscriberClear Channel CapabilityCustomer Care CenterCommon Control Channel (GSM)Charge Coupled DeviceConsistency Check EndCall Control FunctionCommon Citizen FocusCentral Clock GeneratorCommon Client InterfaceCisco Certified Internetwork Expertinternational radio consultative committeeInternational Radio Consultative Committee (ITU)Common Channel Inter-office Signaling (AT&T)Consultive Committee on International Telephony and Telegraphy (ITU)Common Carrier LineCarrier Common Line ChargeCisco Certified Network AssociateCommon Channel Signaling Network ControlCisco Connection OnlineCross Office Transfer TimeCommitment, Concurrency and Recovery (Application Layer)Consistency Check requestCustomer Control ReconfigurationCustomer Controlled ReconfigurationCustomer Care Retention UnitCommon Channel SS7Centi Call Seconds (Hundred seconds calls per hour)Common Channel SignalingCustomer Calling ServicesCommon Control Switching ArrangementCustomer Contact Services NodeCisco Subscriber Registration CenterCommon Channel SS7 (AT&T)Closed-Circuit TeleVisionCommon Control UnitCall Control XMLCompact Disc-Read Only MemoryCall Disconnect (SS7)Carrier DetectCircuit DetailsCollision Detection (LAN)Compact DiscCustomer Dialed Account RecordingCall Detail Block

Acronym

Control Data CorporationCopper Distributed Data InterfaceCall Detail ElementChannel Definition FormatA variant of CDMA 1X which delivers data onlyThe first generation of CDMA 2000Code Division Multiple AccessCommunity Dial OfficeCisco Discovery ProtocolCustomized Dialing PlanCellular Digital Packet DataCoherent Differential Phase Shift KeyingCall Detail Record (OAM)Call Detail RecorderCall Drop RateCustomer Digital Subscriber LineCentral Daylight TimeCustomer Data UnitCell Delay Variation (ATM)Cell Delay Variation Tolerance (ATM)Caller Entered DigitsCisco Express ForwardingComparably Efficient InterconnectionConnection Endpoint Identifier (LAPD)Cellular OneCode Excited Linear PredictionCode Excited Linear Prediction (compression)CENTral ExchangeChief Executive OfficerCertificate Enrollment ProtocolCircular Error ProbableConference European on Post and TelecommunicationsConference of European Postal and Telecommunications AdministrationsCell Error Ratio (ATM)European Council for Nuclear ResearchComputer Emergency Response TeamCircuit Emulation ServiceConnection Endpoint SuffixCustomer's Enhanced System for Access RequestsCisco Encryption TechnologyControlled Environment(al) VaultCall ForwardingCoin FirstCarrier Failure AlarmCall Forwarding on Busy (SS)Call Forwarding for Busy and NoAnswerCall Forward NumberCall Forwarding on No Reply (SS)Chief Financial Officer

Acronym

Call Forwarding Unconditional/Busy/No ReplyCall Forwarding Unconditional (SS)Carrier Group AlarmCircuit Group Blocking MessageCharging Gateway FunctionCell Global Identification (GSM)Cell Global Identity (MCC + MNC + LAC + CID)Common Gateway InterfaceCommon Gateway Interface (Protocol)Computer Graphics MetafileCellular Geographic Service/Serving AreaCircuit Group Unblocking MessageCustomer GatewayCell HeaderChallenge Handshake Authentication ProtocolCable HeadEndCertified Human Factors ProfessionalConference on Human factors In computing systemsChoke PacketCompact Hyper Text Markup LanguageCarrier InterconnectionCarrier to Interference ratioCell Identity (GSM)Credit InformationCustomer InstallationClassical IP over ATMCRC32 Indication Bit (DQDB, SMDS)Cellular Intercarrier Billing Exchange Roamer RecordCarrier/Circuit Identification CodeCountry Indicator CodeCustomer Information Control SystemCaller IdentificationCell ID (GSM - UMTS)Channel IDCraft Interface DeviceClassless Interdomain Routing (IETF)Calling Identity Delivery & SuppressionChemical Industry Data ExchangeClient Interface Module (SZ)Common Intermediate FormatComputer Inquiry III (DOJ)Computer Integrated ManufacturingChief Information OfficerChannel Interface Processor (Cisco)Committed Information RateCommitted Information Rate (FR)Cross Interleaved Reed-Solomon CodeComplex Instruction Set ComputerCollect Information Toll

Acronym

Collect Information ToolComputer Integrated TelephonyCommunications Interface UnitCommercial Internet eXchangeCircuit LocationCiphering Key Sequence Number (GSM)Circuit Interworking softwareCommon Look and FeelConnectionlessCopper LoopCustom Local Area Signaling ServicesCustom Local Area Signaling Services (Bellcore)

Common Link Access for WorkstationsCarrier Liaison CommitteeCommon Language CodeCompetitive Local CarrierCommon Language Code IdentifierCompetitive Local Exchange CarrierCommon Language Equipment IdentifierCommon Language FacilityCommon Language Facility IdentificationCaller IDCommand Language InterpreterCommand Line Interface (OAM)Calling Line IDentification (ISDN, CLASS)Calling Line Identification Presentation (SS)Calling Line Identification Restriction (SS)Common Language Location Identifier/IdentificationConsolidated Link Layer Management (FR)Connectionless Network Protocol (ISO, ITU-T)Connectionless Network Service (ISO, ITU-T)Cell Loss PriorityCell Loss Priority (ATM, CLP Bit)ClearCisco Link ServicesConnectionless ServiceCisco Link Services InterfaceConnectionless Transport ProtocolConnectionless-mode Transport ServiceCable ModemCommunications Module (AT&T 5ESS)Conference ManagerConnection ManagementConnection ManagerCellular Mobile CarrierCentralized Message DataBaseCall Management Detail RecordsCentralized Message Distribution System

Acronym

Coded Mark InversionControl Mode IdleCommon Management Information Protocol (ISO, ITU-T)Common Management Information Service/SystemCommon Management Information Service Element (ISO, ITU-T)Cisco MGC Node ManagerConnection-Mode Network ServiceCMIP Over LLCComplementary Metal-Oxide SemiconductorCMIP Over TCP/IPCommunications Module ProcessorCommercial Mobile Radio ServicesCall Management System {AT&T)Connection Management (FDDI)Cable Modem Termination SystemCarnegie Mellon UniversityCommon NameCustomer Number AddressCall Name Delivery BlockingCarrier Non-Compatible ApplicationsCertified NetWare EngineerCalliNGCustomer Network ManagementCustomer Network Management AgentCisco Networking Services for Active DirectoryComplementary Network Service(s)Central Office Automatic Call DistributorCentral Office-Local Area NetworkCentral OfficeConnection-OrientedCOAXialCentral Office ConnectionCustomer Operated COin Telephone

Coder plus DECoderCOder-DECoderChange of Frame AlignmentCommunity Of InterestCost Of Living AdjustmentCustomer On Line AuthenticationCentral Office-based LANConnected Line Identification Presentation (SS)Connected Line Identification Restriction (SS)Continuation of Message (DQDB, SMDS)Communications Controller (SNA)COMpressor/exPANDERCONFerenceConnection-Oriented Network ProtocolConnection-Oriented Network Service (ISO, ITU-T)

Acronym

Customer Ordering PlatformCollector Plug-InCommon Open Policy ServiceCustomer Owned Public TelephoneCommon Object Request Broker ArchitectureClass Of ServiceCorporation for Open SystemsCommon Open Software EnvironmentCentral Office System for Mainframe OperationsCentral Office TerminalContinuity Test MessageCommercial Off-the-Shelf (stuff)Cell PayloadConnection PointControl PointControl/Coordination ProcessorCustomer PremisesCall Processing ControlCalling Party CategoryCertificate of Public Convenience and NecessityCall Processing Control SystemCommon Part Convergence SublayerCertified ProfessionalCustomer Premise(s) EquipmentCall Progress MessageCommon Programming Interface for CommunicationComputer-PBX InterfaceConsumer Price IndexCost Proxy ModelCustomer Proprietary Number/Network InformationCalled Party Number Information ElementCalling Party PaysCombinet Proprietary Protocol (Cisco)Core Process Re-engineeringCustomer Premises SystemCycles Per SecondCentral Processor/Processing UnitCalifornia Public Utilities CommissionCustom QueuingCircuit Group Querry (SS7)CQM Response (SS7)Call ReferenceCertificate RequestConditional RequirementConnect Request (SS7)Circuit Reservation Acknowledgment MessageCyclic Redundancy Check(word)Cyclical Redundancy CheckingCredit Card Calling

Acronym

Connection RefusedConcentrator Relay Function (ATM)Customer Records Information SystemCertificate Revocation ListCircuit Reservation MessageCustomer Relationship ManagementframeCustomer Routing PointCell relay ServiceConfiguration Report ServerCathode Ray TubeCanadian Radio-television and TelecommunicationsCustomer Retention UnitCall Reference Value (Q.931)Capability Set 1Conjugate Structure Algebraic Code Excited Linear Prediction (compression)Convergence Sub-layer PDUCapabilities Set 1Capabilities Set 2Call SegmentCapability SetCarrier ServicesConfiguration Server Module(SZ)Convergence Sublayer (ATM)Call path Services ArchitectureCanadian Standards AssociationCarrier Serving/Service Area(s)Custom Service ArrangementCore Service Access PointCustomer Service BureauCircuit Supervision ControlCommon Signaling ChannelCustomer Service CenterCircuit Switched Digital CapabilityCircuit Switched Data NetworkCircuit Switched Digital ServiceCore Service Data UnitCAMEL Service EnvironmentCustomer Support Forwarding ServiceConvergence Sublayer HeaderCalled Subscriber IdentificationClient Side Image Map AuthoringCompressed Serial Link Internet ProtocolCall Switching ModuleCisco Service Management system of Operations, Administration, Maintenance, and Provisioning (OAM&P)CSMA with Collision Avoidance (LAN)Carrier Sense Multiple Access with Collision DetectionCSMA with Collision Detection (LAN)Carrier Sense Multiple Access

Acronym

Carrier Sense Multiple Access (LAN)Central/Customer Service NodeComputer Science NetworkComplete Sequence Number PDUComposite Second OrderChip Scale PackageCircuit Switched Public Data NetworkConsistency Check RequestCustomer Service RecordCustomer Service Representative (OAM)Customer Support SystemCentral Standard TimeConvergence Sublayer TrailerCooperative Scheduled TestingComputer Supported Telecommunications ApplicationChannel Service UnitComma Separated ValuesZero generation cordless telephony (analogue technology and severe limitations in terms of range and security)First generation cordless telephony (greater range and security)Second generation cordless telephony-common air interfaceSecond generation cordless telephony (digital with greater range, improved security and a wide range of new functionalities)Call TransferCall TypeChannel TerminationCommon TransportComputer TelephonyComputerized TomographyCordless Telephone/TelephonyCordless Terminal Adaptor (DECT)Composite Triple BeatCell Transfer Delay (ATM)Computer Telephony IntegrationCellular Telecommunications Industry AssociationCordless Terminal MobilityCommon Technical Regulation, part of the ETSI standardization processClear To SendClear To Send (EIA-232-E)Common Transport Semantic (IBM)Channel Test UnitCenTreX system numberChannel UnitCoding UnitControl UnitClosed User Group (GSM)Service ArrangementCoding ViolationCluster Veritas Volume ManagerCustomer Virtual NetworkCircuit Validation Response Message

Acronym

Continuously Variable Slope Delta ModulationContinual Variable Slope Delta ModulationCircuit Validation Test MessageCall Waiting (SS)Cisco Web Application FrameworkCenter Weight ControlCall Waiting IDentification serviceCall Waiting IDentification with Options serviceCisco Extended BusDigital AMPS (US wireless standard, IS-136)Diffie-Hellman (algorithm)Dense-Wavelength Division MultiplexingDrop and InsertThird generation channel bank (24 chans on T1)Fourth generation channel bank (48 voice chans on 2 T1's or 1 T-1C)Data ChannelDestination Address (LAN)Device Address (SNA)Digital AccessDirectory AssistanceDistribution AreaDigital to Analogue ConvertorDual Attachment Concentrator (FDDI)DMA ACKDigital Access and Cross-connect System (AT&T)Digital Access and Crossconnect SystemDelimitation, Alignment and Error Detection procedure in Receive DirectionDedicated/Direct Access LineDemand Assigned Multiple AccessDigital Added Main LineDECT Access NodeDirectory Assistance OnlyData Access Protocol (DEC's DNA - Application Layer)Directory Access ProtocolDirectory Access Protocol (AppleTalk)Document Application ProfileDefense Advanced Research Project AgencyDefense Advanced Research Projects AgencyDual Attachment StationDual Attachment Station (FDDI)Dynamically Assigned SocketDirect Access Storage DeviceDigital Audio TapeData Adapter UnitDigital Audio Video CouncilDATABASE2 (IBM)DatabasedecibelDummy Burst

Acronym

DataBase Administration CenterDataBase Administration SystemData Bank Control SystemDouble-Byte Character SetsDatabase Interface Module (SZ)Database Management SystemDial-Back NumberData Bank Organization SystemDirect Broadcast SatelliteDirect Broadcats SatelliteData Bank Security SystemDecibel per WattDirect CurrentDigital Communications AssociatesDocument Content ArchitectureDynamic Channel AssignmentDigital Channel BankData Communications Channel (SONET)Data Country CodeDigital Control ChannelDedicated Control Channel (GSM, SDCCH, SACCH and FACCH)Direct Circuit Control ExchangeData Circuit-terminating EquipmentData Communications EquipmentDistributed Computing EnvironmentData Circuit-terminating Equipment ReadyDispersion Compensating FiberDistributed Coordination FunctionData Clearing HouseDigital Circuit Multiplication (same as DSI)Data Communications NetworkDigital Central OfficeDistributed Component Object ModelDesignated Carrier PlanDigital Communications ProtocolDifferentially Coherent Phase Shift KeyingDynamically Controlled RoutingDigital Cordless StandardDigital Communications SystemDigital Crossconnect SystemDiscrete Cosine TransformDatabase DescriptionDomain DirectoryDigital Data Communications Message Protocol (DNA)Direct Distance DialingDirect dial-inData Definition Language (SQL)Digital Equipment Corporation data link controlDigital Data Multiplexer

Acronym

Distributed Data ManagementDefense Data NetworkDatagram Delivery Protocol (AppleTalk)Dial-on-Demand RoutingDouble Data RateDouble Data Rate (SDRAM)Dataphone Digital ServiceDataphone Digital Service (AT&T)Digital Data ServiceDelay Dial Start DialDistributed Diagnostics and Service NetworkDiscard EligibilityDiscard Eligibility (LAPF)Data Encryption AlgorithmDigital Exchange AccessDigital Equipment CorporationDEC Management Control CenterDigital European Cordless TelephoneDigitally Enhanced Cordless TelecommunicationsData Encryption KeyDifferential Encoded Phase Shift KeyingDistinguished Encoding RulesData Encryption StandardData Encryption Standard (NIST)Destination End StationDigital Encryption StandardDistributing FrameDon't Fragment (IP)Data Flow ControlDistributed Feedback LaserDatacom Reference Frame InputDistributed File SystemDouble Frequency Shift KeyingDynamic Host Configuration ProtocolDocument Interchange ArchitectureDirect Inward DialingDirect(ed) Inward DialingDirect Inward Dial Number RangeDual In-Line Integrated CircuitDual In-line Memory ModuleDual Inline Memory ModuleDual In-line PackageDirect inward station accessDirect Inward System AccessDisconnectDirectory Information TreeData LinkDigital Loop CarrierData Link Connection Identifier/Indicator (GSM, LAPD, LAPF)

Acronym

Data Link Connection IndicatorData Link Escape (BISYNC)Data Link Layer HeaderDial Long LineDynamic Link LibraryDistributed Lock ManagerDesign Layout RecordDestination Local ReferenceData Link SwitchingData-Link Switching plus (Cisco)Data Link Layer TrailerDependent LUDigital LUDependent LU RequesterDependent LU ServerDelta ModulationDialogue ManagementDisconnected Mode (HDLC)Direct Memory Accessdestination MACDirect Memory Access ControlDynamic Multipoint BridgingDistributed Management EnvironmentDesktop Management InterfaceDigital Multiplex(ed) InterfaceData Manipulation Language (SQL)Data Movement Processor (Cisco)Device Management ProtocolDigital Multipoint BridgingDigital Modular SwitchDigital Multiplex SwitchDigital Multiplex SystemDiscrete Multitone TechnologyDistinguished Member of Technical StaffDialed NumberDirectory NumberDirectory Number (SS7)Distinguished Name (X.500)Data Network AddressDigital Network ArchitectureDoNotAge (bit)Directory Number Call ForwardingDynamic Nonhierarchical RoutingData Network InterfaceDialed Number Identification ServiceData Network Identification CodeData Network Identification Code (X.121)Data Network Interface (2B+D ISDN)Dialed Number Identification Service

Acronym

Domain Name SystemDomain Name System (IETF)Distributed Networked Services PlatformDigital Networking UnitDynamic Overload ControlData Over Cable Service Interface SpecificationDepartment Of DefenceDirect Outward DialingDomain Of InterpretationDomestic Satellite CarriersDisk Operating SystemDomestic Operator ServiceData Over VoiceDay Of WeekData ProcessingDetection PointDial PulseDistributed Power ArchitectureDigital Private Brance ExchangeDigital Private Branch eXchangeDestination Point Code (SS7)Differential Pulse Code ModulationData (link) Protocol Data UnitDigital Parity ErrorDigital Pair GainDigital Power Linecall Defect Per MillionDigital Private Network Signaling System (BT)Dial Pulse OriginateDifferential Phase Shift KeyingDigital Phase Shift KeyingDial Pulse TerminateDynamic Packet TransportDistributed Queue Dual BusDistributed Queue Dual Bus (IEEE 802.6)Digital Quadrature Phase Shift KeyingDigit ReceiverDivision of Ratepayer AdvocatesDigital Remote Antenna DriverDynamic Random Access MemoryDynamic Random Access Memory (RAM)Dynamically Redefinable Charectes SetsDistributed Relational Database Architecture (IBM)Director Response Protocol (Cisco)Dispute Resolution ProcedureDiscontinous Reception (GSM)Digital Signal level 0Digital Signal level 1Digital Signal level 2

Acronym

Digital Signal level 3Direct Sequence CDMADigital Signal Zero - 64 Kb/s data/voice chanDigital Signal One (DS0 x 24 = 24 DS0)Digital Signal 2 (DS1 x 4 = 96 DS0)Digital Signal 3(DS2 x 7 = 672 DS0)Data ServicesDigital SignalDirectory ServicesDirectory SynchronizationDigital Signature AlgorithmDirectory System AgentDestination Service Access Point (LLC)Digital Switch CorporationData Switching EquipmentData Switching ExchangeDispersion-Shifted FiberData Systems GroupDigital Speech InterpolationDigital Subscriber LineDigital Subscriber Line Access MultiplexerDigital Sense Multiple Access with Collision DetectionDigital Sense Multiple AccessData Source Name (ODBC)Delivery Status NotificationDigital Switched NetworkDigital Service Office DataportDigital Signal Processor/ProcessingDirectory Service ProtocolDisplay System Protocol (packet switching)Domain Specific PartDownstream Physical UnitData Set ReadyDigital Short Range RadioDecision Support SystemDigital Subscriber Signaling system (ISDN, B-ISDN)Digital Switched ServicesDirect Sequence Spread SpectrumData/Digital Service UnitDigital Signal Cross-connecttermination hardware for DS1 and DS3'sDedicated TransportDigital Test Access UnitDocument Type DeclarationData Terminal EquipmentDial Tone FirstDigital Transmission FacilityDirect to HomeDigital Trunk Interface

Acronym

Designated Transit ListDigital Terminal Line UnitDual Tone Multi FrequencyDual Tone Multi(ple) FrequencyDDSN Transfer ProtocolDistributed Transation ProcessingData Terminal readyData Terminal Ready (EIA-232-E)Data Terminal SetDigital Terminal SystemsDigital Transmission SystemsData Terminal UnitDigital TelevisionDiscontinuous TransmissionDirectory User AgentDiffusing Update Algorithm (Cisco)Data User PartDigital Video BroadcastingDigital Video InterleavedData Voice MultiplexerDigital Volt MeterDistance Vector Multicast Routing ProtocolDigital Video TerminalData, Voice, Video integrationDense Wavelength Division MultiplexingDuplexDigital Cross ConnectData eXchange InterfaceData Exchange Interface (ATM, SMDS)Ear and MouthAddress field Extension (HDLC)Equal AccessExtended AddressExpedited Application DocketEngineering and Administration Data Acquisition SystemEADAS Network AdministrationEqual Access End OfficeEnterprise Application IntegrationEqual Access MultifrequencyExchange Access Operator Service SignalingExtensible Authentication ProtocolEuropean Academic Research NetworkEasy Access Request SystemEqual Access SignalingExtended Area ServiceElectronic Bill Analysis ToolExtended Binary Coded Decimal Information/Interchange CodeElectronic Business SetsEuropean Broadcasting Union

Acronym

Echo CancelingElectrical CarrierEuropean CommunityError Checking/Correction CodeElliptic Curve Digital Signature AlgorithmError Correction ModeEuropean Computer Manufacturer AssociationElectronic Communication NetworkExplicit Congestion Notification (FR)Exchange Carriers Standards AssociationEnterprise Computer Telephony ForumEnding Delimiter (LAN)Erbium-Doped Fiber AmplifierEnhanced Data rate for GSM EvolutionEnhanced Data rate(s) for GSM EvolutionElectronic Data Interchange (ANSI)Electronic Data InterexchangeEDI for Administration, Commerce, and TransportationElectronic Data Interchange For Administration, Commerce, and Trade (ANSI)Extended Data OutElectronic Data ProcessingEvent Detection PointElectronic Digital Signal Cross-ConnectEnd-to-End Call ManagerEqual Employment OpportunitiesExtremely Elliptical OrbitElectrically Erasable Programmable Read-Only MemoryEntrace FacilityExplicit Forward Congestion Indicator (ATM)Event Forwarding DiscriminatorEight-Fourteen ModulationEnhanced Full RateEnd-of-Frame Sequence (LAN)Error Free Second(s)Error Free SecondsElectronic Funds TransferEnhanced Graphics AdaptorExterior Gateway ProtocolExterior Gateway Protocol (IETF)Extended (frequency range) GSMExtremely High FrequencyElectron-Hole PairsEnhanced High System AvailabilityExpansion InterfaceElectronics Industry AssociationEnhanced Integrated Device ElectronicsEnhanced Interior Gateway Routing Protocol (Cisco)Errored Interval MonitoredEthernet Interface Processor (Cisco)

Acronym

Equipment Identity RegisterEquipment Identity Register (GSM)Equipment Identity/Identification RegisterExcess Information Rate (FR)Effective Isotropic Radiated PowerEffective Isotropic Radiated Power (Radio)Extended Industry Standard ArchitectureElectronic Key Telephone Serviceemulated LAN (ATM)EtherTalk Link Acces Protocol (AppleTalk)Ethernet Local Exchange CarrierSwitched NetworkExtremely Low FrequencyEqual Level Far End CrosstalkEnhanced Local Management InterfaceElement ManagerElectronic Mail AssociationEnterprise Management ArchitectureElectronic Mail Broadcast to a Roaming ComputerElectro-Magnetic ForceExtension Module GroupElectro-Magnetic InterferenceElement Management LayerExchange Message RecordElement Management System (Network Mgmt.)Emergency Management ServicesEvent Management ServiceExpanded Memory SpecificationEgress NodeEnd NodeExchange Network Facilities for Interstate AccessElectronic Numerical Integrator and CalculatorEnquiryEnterprise Network ServicesEnd OfficeEnd of Bus (DQDB)Embedded Operations Channel (SONET)End of DialingEnd Of FileEnd Of LineEnd of Message (DQDB, SMDS)End of Transmission (BISYNC)Early Packet Discard (ATM)Electronic Programme GuideErasable Programmable Read Only MemoryEnhanced Paging ServiceEnhanced Private Switch Controlled SystemEnhanced Private Switched Communications Service

Acronym

Egress RouterEquipment RoomExplicit Rate (ATM)Easily Recognizable CodeEnhanced Repeat Dial service

Echo Return LossExplicit Rate MarketingEnhanced Radio Messaging SystemEuropean Radiocommunications OfficeEffective Radiated PowerEnd System-to-Intermediate SystemEarth StationEcho SuppressorEnd-System (ISO)Errored SecondEnterprise System Connection (IBM)Electro-Static DischargeEnhanced Small Device InterfaceEnhanced SDRAMExtended Super FrameExtended Super Frame Data-LinkEnhanced Service GatewayEnd System IdentifierEuropean SMDS Interest GroupExternal Short Message EntityEnhanced Special Mobile RadioEnhanced Specialized Mobile RadioExtended Simple Mail Transfer ProtocolElectronic Serial NumberEmergency Service NumberEquipment Serial NumberEncapsulating Security PayloadEnd Signaling PointEnhanced Service Provider(s)Enhanced Service ProvidersExtended Services Processor (Cisco)European Strategic Programme for Research and Development in Information TechnologyElectronic Switching SystemExchange TerminationExtended TACSEnd of Text Block (BISYNC)Eligible TelecommunicationsEnhanced Throughput CellularExchange Terminal CircuitEnd-To-EndElectronic Telephone FeaturesElectronic Tandem NetworkEarly Token Release (Token Ring, FDDI)

Acronym

European Telecommunications StandardEuropean Telecommunications Standards InstituteEnd of Text (BISYNC)End User Common LineEnd User License AgreementEnd User MigrationExternal Update NotificationEuropean UNIX NetworkEuropean Workshop for Open SystemsCarrierEXchange Central OfficeExit MessageExcessive ZerosFavourite AreaFlexible Automated Billing SystemFast ACCH (GSM)Facility Assignment and Control SystemFrequently Asked QuestionFrame Alignment Sequence (T-1)Frame Alignment SignalFile Allocation TableFile Allocation Table (Operating Systems)Frame Alignment WordfacsimileFraming BitFrequency Correction BurstFixed Broadband Wireless AccessFault, Configuration, Accounting, Performance and Security (OAM)Federal Communications CommissionForward Control ChannelFrequency Correction Channel (GSM)Fast CDR HandlerFirst Come First ServedFull Common Intermediate FormatFast Cycle RAMFrame Check SequenceFrame Check Sequence (Data Link Protocols)Food and Drug AdministrationFrequency Division DuplexFiber Distributed Data InterfaceFiber Distributed Data Interface (ANSI)Fiber Distribution FrameFeeder Distribution InterfaceFacility Data LinkFujitsu Digital Loop CarrierFrequency Division MultiplexerFrequency Division Multiplexer/MultiplexingFrequency Division Multiple AccessFull-Duplex

Acronym

Fast EthernetFrame synchronization bit error EventFront-endFederal Executive AgenciesFar End Alarm and ControlFast Encryption ALgorithmFar End Block Error Count-fast dataFar End Block Error Count-interleaved dataFar End Block ErrorForward Error CorrectionForward Error Correction Count-fast dataForward Error Correction Count-interleaved dataFar-End Camera ControlForward Explicit Congestion NotificationForward Explicit Congestion Notification (LAPF)Fatal Exception HandlerFast Ethernet Interface Processor (Cisco)Far End Loop BackFront End ProcessorFront End Processor (IBM)Facility and Equipment Planning SystemFar End Receive FailureField Effect TransistorForeign EXchangeFar-End Cross TalkFDDI Follow-On LANsFor Further StudyFeature GroupFrame GroundFeature Group DFeature Group D (protocol to transmit MIN and PIC for cellular)Frequency Hopping CDMAFiber HubFrame HandlerFrequency HoppingFrequency Hopping Spread SpectrumFacility IdentificationForward Indicator Bit (SS7)Forward Indicator Bit ReceivedForward Indicator Bit to be TransmittedForward Indicator Bit eXpectedFrame Identification CodeFiber ConnectivityFeature Identification codeField IDentifierFormat Identification (SNA)First In First OutFirst In, First OutFDDI Interface Processor (Cisco)

Acronym

Federal Information Processing StandardsFederal Internetworking Requirements PanelFill-In Signal Unit (SS7)Fiber In The LoopFixed Loss LoopFiber Loop MultiplexerFull Line TerminalFrequency ModulationFunction ManagementFixed Mobile ConvergenceFiber NodeFrame Number (GSM)Further Notice of Proposed RulemakingFeature Node ServicesFiber OpticsFirm Order ConfirmationFax On DemandFax Over Internet ProtocolFiber Optic Inter-Repeater LinkFiber Optic TerminalFiber Optic Transmission SystemFiber Optics Transmission SystemFuture Public Land Mobile Telecommunications SystemFast Page ModeFlexible Pricing PlanFast Packet SwitchingFraming Pattern SequenceFloating Point UnitFully Qualified Domain NameFully Qualified Procedure Correlation IdentifierFrame Relay Permanent Virtual ConnectionFrame Relay Service Specific Convergence Sub-layerFrame RelayFixed Radio AccessFixed Radio Access (WLL)Frame Aligner CircuitFrame Relay Access DeviceFrame Relay Access Device (Cisco)Frame Relay Assembler/DisassemblerFrame Relay Access Support (Cisco)Frame Relay Access Service ModuleFeature Request DocumentFrame Relay Forum-Local Management InterfaceFrame Relay ForumFacility Restriction LevelFrame Reject (HDLC)Fragmentation Protocol (VINES)Frame Relay ServiceFrame Relay Switch

Acronym

Frame Relay Switching SystemFrame Relay Traffic ShapingFeature ServerFrame StatusFiber Serving AreaFeature Specific DocumentFiltered Symmetric Differential Phase Shift KeyingFast Serial Interface Processor (Cisco)Frequency Shift KeyingFlexible Service LogicFinite State MachineFlexible Single-Master OperationForward Sequence Number (SS7)Frequency Shift Offset Quadrature ModulationFacility Selective ServiceFixed Satellite ServiceFast Simple Server Redundancy ProtocolFast Sequenced Transport (Cisco)Fractional T1Federal Telecommunications Act of 1996File Transfer Access & ManagementFile Transfer, Access and Management (ISO)Fault Tolerance ControllerFull Time EquivalentFile Transfer ProtocolFile Transfer Protocol (IETF)Federal Telecommunications Standards CommitteeFiber To The CurbFiber To The HomeFiber To The LoopFiber To The NeighborhoodFrame User-Network Interface (ATM)Friendly User TrialForeign ExchangeForeign Exchange OfficeForeign Exchange StationForeign Exchange Subscriber/StationGain to Thermal noiseGigaGiga-Generally Accepted Accounting PrinciplesGeneric Access ParameterGeneric Access Profile (DECT)/ GB/s GigaBits Per SecondGigaBits Per SecondGroup CardGeneric Connection Admission Control (ATM)Graphic Codepoint DefinitionGlobal Certification Forum

Acronym

General Circuit InterfaceGeneral Configuration RegisterGeneric Cell Rate Algorithm (ATM)Generic Data interfaceGeometric Dilution of PrecisionGateway Discovery Protocol (Cisco)General ElectricGeostationary Earth OrbitGeostationary Earth Orbit Satellite(s)GSM-EDGE Radio Access NetworkGeneric Flow ControlGeneric Flow Control (ATM)General Format Identifier (X.25)One Billion Floating Point Operations per SecondGateway to Gateway ProtocolGSM Global Roaming ForumGateway GPRS Support Node(s)Gateway GPRS Support NodesGigaHertzGraphic Interface FormatGSM Information NetworkGeneric Interface for Operations (SMDS)Geographic Information SystemsGlobal Internet eXchangeGateKeeperGatekeeper Transaction Message Protocol (Cisco)Global Mobile Personal Communications by SatelliteGeostationary Meteorological SatelliteGateway Mobile Switching Center (GSM)Gaussian filtered Minimum Shift KeyingGreenwich Mean TeamGeneric NameGeographic Number (GSM - UMTS)Get Nearest ServerGeneral OrderGroup of BlocksGrade Of ServiceGovernment Open System(s) Interconnection ProfileGroup ProcessorGeneral Purpose Power ControllerGeneral Packet Radio Service (GSM - UMTS)General(ized) Packet Radio Service/SystemGeneralized Packet Radio Service/SystemGlobal Position Satellite/SystemGlobal Positioning Service/SystemGlobal Positioning SystemGeneric Routing Encapsulation (Cisco)Graded-Index FiberGeatekeeper Reject (RAS)

Acronym

Gatekeeper Request (RAS)Group Reset MessageGPRS Roaming ExchangeGate ServerGround StartGroup SeparatorGeneral Services AdministrationGateway Switching CenterGSM-RailwayGlobal Standard/System for Mobile telecommunicationsGPRS support nodeGlobal Service ProviderGeneric Service StateGroup Switching SubsystemGPRS Tunneling ProtocolGlobal Title Translation(s)Global Title TranslationsGlobal Title ValueGlobal Telephone Exchange CarrierGraphical/Graphics User InterfaceGraphics User InterfaceGatewayHeaderHigh AvailabilityHands-Free Add-On CircuitHigh Capacity Data ServicesHigh Capacity Digital ServicesHigh Capacity MultiplexingHeader Check SequenceHierarchical Cell StructureHundred Call Seconds Per HourHigh Capacity VoiceHigh-Density Bipolar Three-Bit substitutionHigh (level) Data Link ControlHigh level Data Link ControlHandheld Device Markup LanguageHorizontal Dilution of Precisionframe HeaDeRHistorical Data ServerHigh bit rate Digital Subscriber LineHost Digital TerminalHalf-Duplex Transmission Module (X.25)High Definition TelevisionHalf-DuplexHead EndHeader Extension (DQDB, SMDS)Human ErgonomicsHeader Error ControlHeader Error Control (ATM)

Acronym

Header Extension Length (DQDB, SMDS)PPB Handler for External SystemsHuman Factors / ErgonomicsHigh FrequencyHuman FactorsHybrid Fiber CoaxHybrid Fiber Coaxial cableHardware Forwarding EngineHuman Factors and Ergonomics SocietyHardware Failure RateHierarchical File StorageHigh-level Data Link Control (ISO)Health Industry Business Communications CouncilHigh Capacity Digital ServicesHuman Interface DeviceHigher Layers and Internetworking (IEEE 802)HSSI Interface Processor (Cisco)High Performance Radio Local Access NetworkHigh Performance Parallel InterfaceHIgh performance Parallel Processing InterfaceHigh Level DesignHigh Level Functional DesignHigh Level LanguageHeterogeneous LAN ManagerHigher Layer Protocol Identifier (DQDB, SMDS)Home Location RegisterHome Location Register (GSM - UMTS)High Memory AreaHash-based Message Authentication CodeHuman-Machine InterfaceHigh-speed Multi Layer ProtocolHigh Molecular WeightHome Numbering Plan AreaHandoverHigh OrderHead of Bus (DQDB)Host IdentifierHP's Version of UNIX Operating SystemHewlett-PackardHigh Power AmplifierHost Packet Assembler/Disassembler (BPAD)High Performance ComputingHigh Probability of CompletionHigh Performance Computing and CommunicationsHigh Performance Computing SystemsHigh Performance File SystemHP Lights-Out Migration Command LineHP Lights-Out MigrationHigh Performance Routing

Acronym

HeadquartersHigh SpeedHierarchical Storage ControllerHigh Speed Communications Interface (Cisco)High Speed Circuit Switched DataHigh Speed LANHardware Security Module (SZ)Hopping Sequence NumberHigh Speed Packet Switched DataHot Standby Router Protocol (Cisco)High Speed Serial Interface (ANSI)Holding TimeHyperText Markup LanguageHyperText Transfer Protocol (IETF)Hypertext Transfer Protocol (Protocol)HyperText Transmission ProtocolHTTP SecureHDSL Transmission Unit-Central OfficeHDSL Transmission Unit-RemoteHDSL Transmission UnitHertzInstallation and RepairInput and OutputInternational Alphabet #5 (ITU-T)Initial Address AcknowledgementInternet Advisory BoardInternet Architecture Board (formerly Activities)Initial Alignment ControlInternational Access CodeInternet Access ControlerIntegrated Access and Crossconnect SystemIntegrated Access DeviceInitial Address MessageInitial Address Message (SS7)Internet Address Naming AuthorityInitial Address RejectIntegrated Access TerminalIn-Band ControlIntegrated Building Distrubution NetworkInput Back OffInterexchange Carrier-Point of TerminationIndependent CompanyInstallation CenterIntegrated CircuitInterexchange CarrierInternet Corporation for Assigned Names and NumbersIndividual Case BasisInterface Controller CardInternet Control and Configuration Board

Acronym

Industry Carriers Compatibility ForumInterexchange Carrier Compatibility ForumIntegrated Circuit Card ID (GSM - UMTS)International Code DesignatorInter-Carrier Interface (SMDS)Interexchange Carrier Interface (Bellcore)Interexchange Carrier IDInternet Caller IDentification serviceInter-Carrier Interface ProtocolInserted Connection LossIncoming Caller Line IDentificationIntelligent Call ManagementInternet Control Message ProtocolInternet Control Message Protocol (IETF)Inner City and Outstate TrunkIntelligent Call ProcessingInternet Control ProtocolIntelligent Call RouterIndirect Certificate Revocation List (X.509)Interexchange Carrier Service CenterInterexchange Carrier Serving Wire CenterISA Configuration UtilityInterface Description BlockInternet Data CenterInternet Device Control ProtocolInverse Discrete Cosine Transform (DCT)Integrated Device ElectronicsIntelligent Drive ElectronicsInternational Data Encryption AlgorithmIntegrated Dynamic Echo Canceller (PictureTel)Intermediate Distributing FrameIntermediate Distributing/Distribution FrameInitial Domain Identifier (ISO)Integrated Digital Loop CarrierIntegrated Digital NetworkInternational Data Number (X.121)Integrated Digital Network ExchangeInitial Detection Point (GSM - UMTS)Initial Domain PartInternet Datagram ProtocolInterdomain Policy RoutingInternet Detail RecordInformation Display System (BISYNC)Intrusion Detection SystemInformation Distribution CompanyIntegrated Digital TerminalInterface Data UnitInformation Element (ISDN/B-ISDN DSS)International Ergonomics Association

Acronym

InterExchange CarrierInternational Electrotechnical CommissionInstitute of Electrical & Electronics EngineersInstitute of Electrical and Electronics EngineersInternet Engineering Steering GroupInternet Engineering Task ForceIntermediate FrequencyIP Floating AddressInstalled First CostItem for ResolutionInternational Frequency Registration BoardInterface GroupInitial Graphics Exchange SpecificationInternet Group Management ProtocolIndustry/Government Open Systems SpecificationInterior Gateway Protocol (IETF)Interior Gateway Routing Protocol (Cisco)Internet Header Length (IP)Intercompany Interconnection Held Service OrderIntra-network, Inter-SSS Mapping EntityInternet Information ServerIntercompany Interconnection Service OrderInteractive Information TechnologyInternet Key ExchangeInjection Laser DiodeIncumbent Local Exchange CarrierIndependent Local Exchange CarrierInterim Local Management InterfaceIntegrated Lights-Out (HP)IntraLATA PresubscriptionInstant MessagingIntensity ModulationInternational Multimedia AssociationInverse Multiplexing over ATMIMAP version 4Internet Message Access Protocol 4Internet Messaging Access ProtocolIntegrated Management DisplayIn-Memory Data BaseInternational Mobile Equipment Identity (GSM - UMTS)Industry Markets GroupIncoming Matching LossIntegrated Management LogIntegrated Management Log (HP)Interface Message Processor(s)Interactive Multimedia ServerInterface Management SystemInternational Mobile Subscriber Identity (GSM - UMTS)Inter-Machine Trunk

Acronym

International Multimedia Teleconferencing ConsortiumImproved Mobile Telephone ServiceIntelligent MultiplexerInverse MultiplexerIngress NodeIntelligent Network (AIN)Interface NetworkInformation Network ArchitectureInteractive Network AdapterIntelligent Network Application Part/Protocol (SS7)Install BusyIndustry Numbering CommitteeIntelligent Network Call Routing ProtocolIntelligent Network ElementInternodal LinkINternational MARitime Satellite ServiceInterim Number PortabilityInternet Nodal ProcessorInterchangeable Numbering Plan AreaIndustry Number Plan GuideInformation Request MessageInformation Network SystemINward Wide Area Telephone ServiceInter-OfficeInter-Office ChannelI/O Channel ControllerInput/Output ProcessorInternet Operating System (Cisco)Information ProviderIntelligent Peripheral (AIN)Internet Protocol (IETF)ISDN PABXISDN PC Adapter CircuitISDN Primary Access TransceiverInter Process CommunicationIP Control ProtocolIntelligent Peripheral InterfaceInitial Program LoadInterpersonal Messaging SystemIP Plug-inIntellectual Property RightsInstructions Per SecondIP SecurityIP Security OptionInter-Processor Signaling SystemInternetwork Packet Exchange (NetWare)IPX Control ProtocolIPX Wide-Area NetworkInfra-Red

Acronym

Ingress RouterInstruction RegisterIntermediate ReachInternet RegistryIntegrated Routing and BridgingImplementation Rate DesignIntegrated Receiver DecoderInfra red Data AssociationICMP Router Discovery ProtocolInformation Resource Dictionary SystemInherited Rights MaskIntermediate Routing NodeIndividual Routing ProcessorISDN Remote Power ControlInformation Request (RAS)Interrupt ReQuestInformation Request Response (RAS)Internet Research Steering GroupInternet Research Task ForceIntermediate System-Intermediate System (ISO)Interim Standard 41In-ServiceInformation SystemsInterim Standard (ISO)Intermediate System (ISO)Industry Standard ArchitectureISDN Subscriber Access ControllerInternet Security Association and Key Management ProtocolIndex Sequential Access MethodIndustry Service CenterIntegrated Service Control PointIntegrated Services Digital NetworkIntegrated Services Digital Network User PartISDN User PartUSC Information Sciences InstituteIdle Signal IdentificationInter-Switch Link (Cisco)Integrated Services LAN (IEEE 802.9)ISDN Line Unit (AT&T 5ESS)Industrial, Scientific, MedicalInternetwork Status MonitorInformation Systems NetworkInternational Organization for StandardizationInternational Standards OrganizationIntermediate Service PartInternet/Information Service ProviderInternational Signaling Point CodeInterconnection Service RequestIntermediate Session Routing

Acronym

Inter-Switching System Interface (SMDS)Inter-Switching System Interface ProtocolIntegrated Special Services NetworkIridium Subscriber UnitISDN Services User PartISDN User Part (SS7)Independent Software VendorInformation TechnologyInformation TypeInteractive TV AppliancesInternational Telecommunications Advisory Committee-TelecommunicationsISDN Terminal Adaptor CircuitIntermediate Text Block (BISYNC)Independent telephony companyIntegrated Telephony Cable ModemInstructional Television Fixed ServicesInterswitch Trunk GroupIntelligent Traffic Guidance SystemsIndependent Telecommunication NetworkInternet Telephony Service ProviderITU-Telecommunication Development Sector (formerly BDT)ITU-Radio Communication Sector (formerly CCIR and IFRB)ITU-Telecommunication Standardization Sector (formerly CCITT)International Telecommunication(s) UnionInternational Telecommunications UnionInteractive TeleVisionInternet Usage ManagerInitialization ValueInteractive VideoInternal Vapor DepositionIntegrated Voice Data MultiplexerInteractive Video and Data Services (ITA)Interactive Voice ResponderInteractive Video ServicesInteractive Video SystemIntelligent Vehicle and Transportation Technical AreaInside WireInter-Working FunctionInterworking ConnectionInter-Working Unit (B-ISDN)Interworking FunctionIntereXchangeInter-Exchange CarrierIntereXchange CarrierIntereXchange Voice Grade channelJAVA APIs for Integrated NetworksJurisdictional Interstate ServiceJust in TimeJoint Photographic Experts Group

Acronym

Joint Photographic Experts Group (ISO)Java Runtime EnvironmentJava Transaction APIJava Telephony APIJob Transfer and ManagementJapan UNIX NetworkJava Virtual MachineKilo-/ KB/s KiloBits Per SecondKiloBits Per SecondKiloCycles Per SecondKiloHertZKiloMeterKey PulseKey Performance IndicatorKey Telephone SystemKiloWatt HourLongest Available AgentLocation Area CodeLocation Area Code (GSM - UMTS)Loop Assignment CenterLocal Area Data ServiceLocal Area Data TransportLocation Area Identity (GSM)Local Automatic Message AccountingLAN Physical LayerLocal Area NetworkLocal Area Network EmulationLocal Area Network ServicesLink Access Protocol BalancedLink Access Protocol-D channelLink Access Procedure (X.25)Link Access ProtocolLink Access Procedure Balanced (X.25)Distributed Link Access ProcedureLink Access Procedure for the D-channel (ISDN)Link Access Procedure to Frame Mode Bearer Services (FR, ISDN)Link Access Procedure for Modems (V.42)Local Access ProcedureSLink Access Procedure half-duplex (X.32)LIDB Access Routing GuideLocal Access Signaling ServicesLocal Area Signaling ServicesLocal Area Transport (DEC)Local Access and Transport AreaLocal Area VAX Cluster (DEC)Local Area WirelessLocation Based ServicesListen Before Talk

Acronym

Load CoilLocal CompetitionLogical ChannelLoop ClosureLine Circut AddressLine Class CodeLiquid Crystal Diode/DisplayLiquid Crystal DisplayLocation Confirm (RAS)Loop Current FeedLoop Current Feed OpenLogical Channel Group Number (X.25)Line Concentrator ModuleLogical Channel Number (X.25)Link Control ProtocolLeast Cost RoutingLocation ServicesLaser DiodeLocal DirectoryLong DistanceLightweight Directory Access ProtocolLightweight Directory Access Protocol (Protocol)LDAP Interface Module (SZ)LATA Distribution ChannelLocal Distributed Data Interface (ANSI)Local Distribution FrameLong Distance IndicatorLimited Distance ModemListed Directory NumberLocal Digital SwitchLong Distance SwitchingLocal Exchange/Packet Handler (ISDN)Local Exchange (ISDN)LAN Emulation ClientLocal Exchange CarrierLight Emitting DiodeLocation Engine Interface (SZ)LengthLine Equipment NumberLow Entry NetworkingLow Earth OrbitLow Earth Orbit Satellite(s)Low Earth Orbiting SatelliteLocal Exchange Routing GuideLAN Emulation ServerLAN Emulation Server/ServicesLocation Engine Service Module (SZ)Line Equipment TransferLargest Frame

Acronym

Loop FeederLow FrequencyLoop Facility Assignment Control SystemLocal Form Session IdentifierLine Group ControllerLink HeaderLength IndicationLength IndicatorLocal InterconnectionLine Information DataBaseLine Information Database (ISDN)Location Interoperability ForumLogger Interface Module (SZ)Last In First OutLarge Internet Packet Exchange (NetWare)Local Interconnection Service ArrangementLocal Interconnection Service CenterLine Insulation TestLocalTalk Link Access Protocol (Apple)Line Loop BackLimited Liability CompanyLogical Link Control (IEEE 802.2)Logical Link Identifiersignaling Link management, Link Set ControlLoop Maintenance CenterLocal Multipoint Distribution ServiceLocal Multipoint Distribution Service/SystemLocal Management InterfaceLoop Maintenance Operations SystemLocal Measured ServiceLocal Mobile Subscriber Identity (GSM)Land Mobile Satellite ServiceLead Member of Technical StaffLine Monitor UnitLocal Number PortabilityLoop OpenLow OrderLocal Operations CenterLocation RequestLoss Of FrameLine Overhead (SONET)Lights-Out ManagementLoss Of Pointer-LineLoss Of Pointer-PathLoss Of Pointer-VirtualLine of PositionLoss Of PointerLine of SightLoss Of Signal

Acronym

Loss Of Synchronous WordLink PrinterLinear Predictive CodingLink Protocol Discriminator (GSM)Link Problem Determination Aid 2 (IBM)Local Policy Decision PointLocal Primary Interexchange CarrierLightweight Presentation ProtocolLink Peripheral ProcessorLine Protection UnitLink Packetized Voice SubsystemLoop Reverse BatteryLongitudinal Redundancy CheckLongitudinal Redundancy Check (BISYNC)Location Reject (RAS)Local Routing NumberLocation Request (RAS)Link StateLoop Startsignaling Link management, Signaling Link Activity ControlLink Service Access PointLeast Significant BitLink State ControlLocal Service CenterLarge Scale IntegrationLink Support Layersignaling Link management, Signaling Link Activationsignaling Link management, Signaling Link Deactivationsignaling Link management, Signaling Link RestorationLocal Service Management SystemLocal Switching Network ElementLocal Switching with Number PortabilityLocal Serving OfficeLocal Service Order AdministrationLocal Service ProviderLocal Service RequestLATA Switching and Signalling Generic RequirementsLink Status Signal Unit (GSM)Line Switch UnitLine TerminationLink TrailerLocal TransportLocal Test DeskLine Terminating Equipment (SONET)Line Trunk GroupsLine UnitLocation UpdateLogical UnitLogical Unit (SNA)

Acronym

Line Unit/Line TerminationLine Unit Network TerminationLocal Exchange TerminalMethods & ProceduresMTP3 User-Adaptation LayerMTP2 User-Adaptation LayerMegaModemMaintenance AdministratorMaximum Availability Architecture (Database)Media Access ControlMedia Access Control (IEEE 802)Multiple Appearance Directory NumberMetropolitan Area NetworkSystemManufacturing Automation Protocol/Technical and OfficeMaintenance Administration PanelManagement Application ProtocolManufacturing Automation ProtocolManufacturing Automation Protocol (GM)Mobile Application PartMobile Application Part (GSM - UMTS)Management Application Protocol Data UnitMail Application Programming InterfaceMemory Address RegisterMetropolitan Area TrunkMedium Attachment Unit (Ethernet)Multistation Access UnitMultistation Access Unit (Token Ring)Maintenance BusyMessage BufferMulti-switch Business GroupMessage Based Interface Adapter (HP)Message Based InterfaceMega Bits Per SecondMobile Broadband SystemsMC/Service Guard (HP)Maintenance CenterMessage CenterMultipoint ControllerMicroChannel Architecture (IBM)Microelectronics & Computer technology Co.Mobile Country CodeMobile Country Code (GSM - UMTS)Multi-Color Graphics ArrayMicrowave Communications, Inc.Multi Carrier Power AmplifierMultiple Channel Per CarrierMinimum Cell Rate (ATM)

Acronym

Media Control Server/Application ServerMedia Control Server/Management ServerMedia Control ServerMaster Control UnitMultiplexer Control UnitMultipoint Control(ler) UnitModified Chemical Vapor DepositManagement DatabaseMobile DataBase StationMedia Device Control ProtocolMain Distribution FrameMedium-Dependent InterfaceMobile Data Intermediate StationMessage Delivery to NonSubscriberMemory Data RegisterMessage Detail RecordingMultipoint Distribution ServiceMobile Data TerminalMedia Device Transport ProtocolMultiple Dwelling UnitMobile Equipment (GSM - UMTS)Modem Equivalent DeviceMedia Gateway Control ProtocolMedium Earth OrbitMedium Earth Orbit SatellitesMain FrameMedia FilterMedium FrequencyMore Fragments (IP)Multiple FrequencyMulti-Frame Alignment SignalModified Final JudgementModified Final JudgmentMillions of Floating point Operations Per SecondMetropolitan Fiber SystemsMultiple Frequency Shift KeyingMedia GatewayMedia Gateway Controller/Media GatewayMedia Gateway ControllerMedia Gateway Control ProtocolMini-Gateway PrototypeMessage Handling SystemMessage Handling System (X.400)MegaHertZManagement Information BaseManagement Information Base (Network Mgmt.)Medium Interface Connector (FDDI)Multiservice IOS Channel Aggregation (Cisco)Message IDentifier

Acronym

Message Identifier (ATM, SMDS)Multiplexing Identifier (ATM)Musical Instrument Digital InterfaceMobile Information Device ProfileManagement Information FormatMobile Interface Module (SZ)Multiple Instruction stream, Multiple Data streamMultipurpose Internet Mail Extensions (IETF)Multipurpose Internet Mail ExtentionsMobil Identification NumberMobile Identification NumberMultiChannel Interface Processor (Cisco)Millions of Instructions Per SecondManagement Information SystemsMassachusettes Institute of TechnologyMinistry of International Trade and Industry (Japan)Multimedia Internet ExchangeMulti-Junction UnitMechanized Loop Assignment CenterMobile Local CallMultilink Control Field (X.25)Multi-Line Hunt GroupMultiple Link Interface DriverMulti-Longitudinal ModeMain Listed NumberMulti-Layer ProtocolMultilink Protocol (X.25)Multiple Listing ServiceMechanized Loop TestingMetalic Loop TestMobility Management (GSM)Multi MediaMulti ModeMicrosoft Management ConsoleMultichannel Multipoint Distribution ServiceMultimedia Data ServicesMultimode FiberMan Machine InterfaceMan Machine LanguageManufacturing Message SpecificationMultimedia Messaging ServiceMultimedia Messaging Service CentreModified Minimum Shift KeyingMemory Management UnitMobile Network Code (GSM - UMTS)Mobile Network OperatorMultinetwork PVC (FR NNI)Managed ObjectMobile Originated (GSM - UMTS)

Acronym

Managed Object ClassesMobile Originated CallMOdulator/DEModulatorManager of ManagersManual Out-OF-ServiceMaintenance Operations ProtocolMetal Oxide Semiconductor Field Effect TransistorMinutes Of UseMultipoint ProcessorMeet Point BillingMotion Picture Experts Group (ISO)Moving Picture Experts GroupMulti-Protocol Label SwitchingMultiple Protocol over ATMMinimum Point of Penetration (wire)Multiprotocol RouterMulti-Processor SpecificationMultiprotocol Transport NetworkMultiprocessor ExtensionMedia Resource Control ProtocolMultilink Frame RelayMagnetic Resonance ImagingMTP Routing Verification TestManagement SystemMessage StoreMilliSecondMobile StationMobile Station (GSM)Management System ArchitectureMetropolitan Serving AreaMetropolitan Statistical AreaMaster Street Address GuideMost Significant BitMedia Stream ContainerMobile Switching CenterMessage Set customization ToolMarketing Service DescriptionMultipoint Substrate Data MuxMessageMobile Station (international) ISDN numberMobile Station Integrated Services Digital Network (GSM - UMTS)Minimum Shift KeyingMobile Switching OfficeMultiple Service/Systems OperatorMarketing and Sales ProductivityMobile Station Roaming Number (GSM)Maximum Segment Size (TCP)Mobile Satellite ServicesMobile Satellite Systems

Acronym

Multislotted TokenMessage Signal(ling) UnitMeta-Signaling Virtual ChannelMaritime Telegraph and TelephoneMobile Terminated (GSM - UMTS)Major Trading Area(s)Message Transfer AgentMetalic Test Access UnitMean Time Between FailuresMobile Terminated CallModulation Transfer FunctionMessage Transfer PartMessage Transfer Part (SS7)Message Transfer PortMember of Technical StaffMessage TelecommunicationsMessage Telephone SystemMobil Telephone Switching OfficeMobile Telephone Switching Office (Cellular)Mean Time To RepairMaximum Transfer UnitMaximum Transmission Unit (TCP)MultiUse Bearer serviceMULtiplexer/DEMultiplexerMUltipleXerMultivendor Integration ProtocolMobile Virtual Network OperatorMobile Virtual Private NetworkMultiple Virtual StorageMessage Waiting IndicatorNarrowband AMPSNorth American Time Division Multiple AccessNumerical ApertureNext Available AgentNumber Assignment AdministrationNational Association of Business and Educational RadioNational Access CodeNetwork Administration CenterNull Attachment Concentrator (FDDI)Number Assignment CenterNegative ACKnowledgementNorth American Digital HierarchyNegative Acknowledgement (BISYNC, DDCMP)North American Numbering CouncilNorth American Number PlanNorth American Numbering PlanNetwork Access PointNetwork Access Point (Internet)North American Presentation Level protocol Syntax

Acronym

Network Access RestrictionNational Association of Regulatory Utilities CommissionsNetowrk Access ServerNetwork Application SupportNetwork Attached StorageNational Aeronautics and Space AdministrationNational Association of Securities Dealers Automated QuotationsNetwork Address TranslationNetwork Attached StorageNorth American Telecommunications AssociationNetwork Access/Addressable UnitNetwork Accessible Unit (SNA)Normal BurstName Binding Protocol (NetWare)National Bureau of Standards (old)Network ChannelNumber of unallocated channels at nodeNon-Call AssociatedNetwork Color CodeNetwork Colour Code (GSM - UMTS)Network Communications ControllerNetwork Communication Control FacilityNetwork Channel InterfaceNative Client Interface Architecture (Cisco)NetWare Core Protocol (NetWare)Network Control Point/ProgramNetwork Control Point/ProtocolNetwork Control Program (SNA)Network Computing SystemNational Center for Supercomputing ApplicationsNational Cable Television AssociationNetwork Channel Terminating EquipmentNetwork Channel Termination EquipmentNational Destination CodeNew Data FlagNetwork Device Interface SpecificationNetwork Driver Interface Specifications (Microsoft & 3Com)Netware Directory ServicesNetwork ElementNew England Academic and Research NetworkNetwork Expert Advisory Tool (Harris Corp.)National Exchange Carriers AssociationNational Emergency Number AssociationNorme Europeenne de TelecommunicationsNetwork IdentifierNear End Cross TalkNon-associated Facility SignalingNon-Facility Associated SignalingNonFacility Associated Signaling

Acronym

Network File SystemNetwork File System (Sun)Next Generation Digital Loop CarrierNext Generation NetworkNetwork GatewayNational ISDNNetwork InterconnectNetwork InterfaceNetwork Information CenterNetwork Interface Card (LAN)Network Interface ControllerNetwork Information and Control ExchangeNetwork Interface DeviceNational Information InfrastructureNational Institute of Standards and TechnologyNetwork Interface Unit (T-carrier)N.A. ISDN User ForumNorth American ISDN Users ForumNetwork LayerNumber of unallocated channels on linkNetwork Logical Data ManagerNetWare Loadable ModuleNear Line of SightNetwork Layer Protocol IdentifierNetWare Link Services ProtocolNetwork ManagementNetwork ModuleNode Manager workstationNetwork Management and AdministrationNetwork Monitoring and AnalysisNetwork Management CenterNetwork Management Control CenterNon-Maskable InterruptNetwork Management LayerNetwork Management Processor (Cisco)Network Management ProtocolNetwork Measurement Report (GSM - UMTS)Network Management Station (OAM)Network Management SystemNordic Mobile Telephone systemNetwork Management Vector Transport protocolNetwork NodeNetwork Node AddressNetwork Node Interface (ATM)Network-to-Network Interface (FR)Network News Transfer ProtocolNetwork News Transfer/Transport ProtocolNetwork Operations CenterNetwork Operations Control Center

Acronym

No OperationNetwork Operating SystemNetwork Office Terminating EquipmentNumbering Plan AreaNumber Portability and Administrative CenterNetwork Portability Access ServiceNon-Payment DisconnectNetwork Problem Determination ApplicationNetwork Layer Protocol Data UnitNetwork Protocol Data UnitNumbering Plan IdentificationNotice of Proposed RuleMakingNetwork Performance Report MessageNCP Packet Switching Interface (SNA)Non Recurring ChargeNational Research & Education NetworkNational Research and Education NetworkNew Regulatory FrameworkNational Reliability and Interoperatability CouncilNumber Referral ServiceNon-Return to ZeroNonReturn to ZeroNon-Return to Zero InvertedNonReturn to Zero InvertedNetworking Services/DOSNetwork ServiceNational Security AgencyNon-Service AffectingNetwork Service Access Point (ISO)Network Service CenterNational Science FoundationNetwork Specific FacilitiesNational Science Foundation NETworkNetwork Service InterfaceNational Signaling PointNetwork Service(s) ProtocolNetwork Services ProtocolNetwork Switching SubsystemNetwork Service Virtual CircuitNetwork TerminalNetwork Termination (ISDN)New Technology (Windows)Node TypeNew Technology Advanced Server (Microsoft)Network Terminating EquipmentNetwork interface Trunk GroupNetwork Terminal NumberNew Telephone NumberNetwork Terminal Option

Acronym

National Television System CommitteeNippon Telephone and TelegraphNumbered Test TrunkNetwork Terminating WireNetwork User Identification (X.25)Network User IdentifierNetwork-Visible EntitiesNear Video On DemandNonvolatile Random Access Memory (RAM)Network Validation TestNational White PagesNational White Page Directorytelephone prefix (npa) NXX-xxxxNew York, New England eXchangeOperation and MaintenanceOperation, Administration and MaintenaceOperator AssistanceOff-air Call Setup (GSM)Optical Add-Drop MultiplexerOpen Access InterconnectionOperation, Administration, Maintenance & ProvisioningOperation, Administration, Maintenance and ProvisioningOperation, Administration and MaintenanceOpen Access Network Architecture DevelopmentOrdering & Billing FormOutput Back OffOn Bord ProcessingOther Charges & CreditsHP OpenCall Network Media Server. Plays the role of IVR in the HP/Sicap PrePaid IN solutionHP OpenCall Service Access ControllerOptical Carrier 3Operating CompanyOperation CodeOptical Carrier (SONET)Opencall Layer (HP)Other Common Carrier(s)Outgoing Call Control serviceOpen, Cooperative Computing ArchitectureOracle C++ Call Interface (Database)Oracle Call Interface (Database)Opencall Multiservice ControllerOCMP Browser Runtime Environment (HP)OpenCall Media Platform Browser Runtime Environment (HP)OpenCall Media Platform (HP)Optional Calling PlanOver Current Protection DeviceOptical Character RecognitionOpenCall Service Access ControllerOpenCall Service Controller

Acronym

Office Channel UnitOffice Channel Unit Data PortOpen Document ArchitectureOpen Data Base ConnectivityOpen Database ConnectivityOpen Data-link Interface (Novell)Open Document Interchange FormatOffice EquipmentOriginating EquipmentOriginal Equipment ManafacturerOriginal Equipment ManufacturerOptical-Electrical-OpticalOptical Fiber AmplifierOrthogonal Frequency Division MultiplexingOff-Hook Delay triggerOAM Object IdentifierObject IdentifierOracle Internet Directory (Database)Operations Interface ModuleOnline Application Processing (Database)Optical Loop CarrierObject Linking and EmbeddingOriginating Line Number ScreeningOn-Line ProvisioningOptical Line Termination MultiplexerOnLine Transaction ProcessingOnline Transaction Processing (Database)Operational MeasurementOperations & Maintenance Application PartOperations, Maintenance, and Administration Part (SS7)The radio OMCThe switching OMCOperations and Maintenance CenterOperation and Maintenance Link (GSM)Open Network ArchitectureOrder Number AdministrationOpen Network ComputingOperator Number IdentificationOpen Network Management SystemOptical Network Planner (Cisco)Optical Network UnitObject-OrientedObject Oriented DesignObject Oriented DabaBase Management SystemOut Of FrameObject-Oriented ProgrammingObject-Oriented Programming SystemOut Of ServiceOut Of Synchronization

Acronym

Origination Point Code (SS7)Open Peripheral Interface (Cisco)Outage Performance MonitoringOperations System/Intelligent Network ElementOracle Parallel ServerCisco's Open Packet Telephony architectureOff Premise ExtensionOffice RegeneratorOffice Repeater BayOption ROM Configuration for ArraysOption ROM Configuration for Arrays (HP)Optically Remote switching ModuleOperational Readiness TestingOperating SystemOpen System ArchitectureOpen Software FoundationOSI/Communications SubsystemOSI/File ServicesOSI/Network Management ForumOpen Systems InterconnectionOpen Systems Interconnection (ISO, ITU-T)OSI NetworkOpen Systems Interconnection Reference Model (ISO, ITU-T)Operational Service logic ProgramOriginating Screening OfficeOrigination Screening OfficeOperator Service ProviderOutSide PlantOpen Shortest Path First (IETF)Operation(s)/Operational Support SystemOperational Support SystemsOperator Services SystemOver The AirOver The Air (GSM - UMTS)Optical Time Domain ReflectometerOpen Token FoundationOperations Technology Generic RequirementOptical Transport Interconnection ServiceOrganizational UnitOrganizationally Unique Identifier (SNAP)OverloadOutside Vapor DepositionOpenView WindowsPeak to Average RatioPoll/Final BitPeer-To-PeerPointer AdjustmentPreamble (LAN)PreArbitrated

Acronym

Private Automatic Branch ExchangePersonal Access Communication SystemPacket assembler/disassembler (GSM)Packet Assembler/Disassembler (X.25)Packet Assembly-DisassemblyPhase Alternate LinePass Along MessagePulse Amplitude ModulationPublic Access Mobile RadioPretty Amazing New Services (B-ISDN)Printer Access ProtocolProcess/Application ProtocolPublic Access Profile (DECT)Positive Acknowledgement with RetransmissionPrompted Auto-Redial serviceXerox Palo Alto Research CenterPublic Service Answering PointPersonal Area WirelessPower BoardPrivate Branch ExchangePersonal ComputerPoint CodeProgram CounterPlug-In Comunication APIPrinted Circuit BoardProcess Control BlockPoint Coordination FunctionPaging Channel (GSM)Peripheral Component InterconnectPeripheral Components InterfaceProtocol Control InformationProgram Controlled I/OPulse Code ModulationPersonal Computer Memory Card Interface AssociationPersonal Communications NetworkProtocol Converter for Non-SNA EquipmentPeak Cell Rate (ATM)Personal Communications Systems 1900MHzPersonal Communications ServicesPer-Call Test FailurePacket Control UnitPremises Control UnitPremier DialingPropagation DelayProtocol Discriminator (GSM)Personal Data/Digital Appliance/AssistantPersonal Digital AssistantPersonal Digital CommunicationsPower Distribution Center

Acronym

Portable Document FormatPortable Document Format]Plesiochronous Digital HierarchyPayload Defect Indicator-PathPayload Defect Indicator-VirtualPhysical Medium Dependent (FDDI)Public Data NetworkPacket Data ProtocolPolicy Decision PointPremises Distribution SystemPower Distribution UnitProtocol Data UnitPan European Digital CommunicationsPicture ElementPartitioned Emulation ProgramPolicy Enforcement PointPacked Encoding RulesPolycenter FrameworkPolicy Framework Definition LanguagePacket Forwarding modulePeripheral GatewayPair Gain SystemPair Gain Test ControllerPacket Handler (ISDN)Packet Handling SystemPersonal Handy Phone System (Japan)Physical Layer-Protocol Control InformationPhysical Layer-Service Access PointPhysical Layer-Service Data UnitPhysical LayerPhysical Layer ManagementPlug-InProcess ImprovementPolicy Information BasePlug-In ContainerPoint In CallPrimary Interexchange CarrierProgrammable Interrupt ControllerPrescribed Interexchange ChargePrimary Interexchange Carrier ChargePath IdentificationProprietary Information Guidelines (legal documentPeripheral Interface Manager (Cisco)Product Integration ManagerPersonal Identification NumberPositive Intrinsic NegativePlug-In Network SensorPre-Impulsing PulseProcess Integration Testing

Acronym

Path Information Units (SNA)Pointer Justification CountPublic Key InfrastructurePublic Key software InfrastructureProcedural Language/Structured Query Language (Database)Private LineProgrammable Logic ArrayPrivate Line Automatic RingdownPayload Loop BackPower Line CarrierPhysical Layer Convergence Protocol (DQDB)Physical Layer Interface Module (Cisco)Public Land Mobile NetworkPublic Land Mobile Network (GSM - UMTS)Packet Layer Protocol (X.25)Presentation Level ProtocolPrivate Line servicePercentage Local UsagePrimary Logical UnitPerformance MonitoringPeripheral ModulesPhase ModulationPhysical MediumPrivacy Manager servicePhysical Medium AttachmentPCI Mezzanine CardPhysical Medium Dependent (FDDI)Private Mobile Radio(communications)Principal Member of Technical StaffPrivate Network Node InterfacePacket Switching NodePositive Outage ControlPost Office Code Standardisation GroupProgrammable Option DevicesPending Order FilePath Overhead (SONET)Point of InterconnectionPassive Optical NetworkPost Office Protocol 3Point Of PresencePoints of PresencePost Office ProtocolPacket Over SONETPoint Of SalePromotion of OSIProfiles for Open Systems Interworking TechnologiesPortable Operating System Interface for UNIXPower-On Self TestPower-On Self-Test

Acronym

Point Of TerminationPlain Old Telephone ServicePlain Old Telephone Service/SystemPlain Old Telephony ServicePayload PointerPrePaid Billing (Sicap)PrePaid Core (Sicap)Parallel Presence DetectPreferred Payment DateProject Profile DatabasePresentation Protocol Data UnitProcessor Power Module (HP)Point-to-Point Protocol (IETF)Packets Per SecondPrePaid ServerPublic Packet Switched NetworkPPS ProxyPrimary Rate AccessPseudo-Random Binary SequencePseudo-Random Bit SequencePrimary Reference ClockPrompted Repeat Dial servicePseudo-Random DownstreamPremises Information SystemPrimary Rate InterfacePrimary Rate Interface (ISDN)Performance Report MessageProfile RequestProfessional Office SystemProgrammable Read Only MemoryPersonalized Response SystemPrimary Reference SourceProject Requirements SpecificationsPacific Rim SMDS Interest GroupPseudo-Random UpstreamPacket SwitchPrimary Safety Answering PointPublic Service BoardPrimary Scrambling Code (GSM - UMTS)Public Service CommissionProduct Specification DocumentPremium Substrate Data MuxPacket Switched Data NetworkPublic Switched Data NetworkPublic Switched Data ServicesPublic Switched Digital ServicePower Sum Equal Far End Cross TalkPacket Switching Interface (DNA)Performance Systems International

Acronym

Phase Shift KeyingAlternative to PSTN (Public Switched Telephone Network)Power Sum Near End Cross TalkProLiant Support Pack (HP)Packet Switched Public Data NetworkPublic Switched Packet Data NetworkPublic Safety Radio Communications ProjectPublic Switched Telephone NetworkPower Supply UnitProgram Status WordPower System ExchangePayload TypePath Terminating Equipment (SONET)Packet Type Identifier (X.25)Payload Type Identifier (ATM)Payload Type IndicatorPacket Transfer ModePacket Transfer/Transport ModePersonal Telephone NumberPublic Telephone NetworkPublic Telecommunication OperatorPost Telephone & Telegraph adminPush-to-Talk (PMR)Pan-Tilt-Zoom (Camera)Physical UnitPhysical Unit (SNA)Public Utilities CommissionPIN Unblocking Key (GSM)Permanent Virtual Circuit/ConnectionPrivate Virtual NetworkProduct Validation TestingPersonal Wireless TelecommunicationsPreboot eXecution EnvironmentPersonaliZed telephone NumberQuality AssuranceQueue ArbitratedQuadature Amplitude ModulationQuadrature Amplitude ModulationQuadrature Amplitude Phase Shift KeyingQUALCOMM Automatic Satellite Position ReportingQuery By ExampleQuadrature Code Excited Linear PredictionQuarter Common Intermediate FormatQuick Dial ToneQ.931 Encoding RulesQualified Logical Link Control (SNA)Quality of ExperienceQuery on ReleaseQuery on Response

Acronym

Quality of ServiceQuality Performance AnalysisQoS Policy Manager (Cisco)Quadrature Phase Shift Keying (DQDB)Queued Packet and Sychronous eXchangeQuasi Random SignalQuasi Random Signal SequenceQueued Telecom Access MethodRelease 5 of the 3GPP standards (GSM - UMTS)Release 6 of the 3GPP standardsRingRouterReal Application ClusterReal Application Cluster (Database)Resource Available ConfirmationResearch in Advanced Communications in EuropeRemote Access to Call ForwardingRandom Access Channel (GSM)Receive AdressRemote Antenna DriverRemote Authentication Dial-In User ServiceRemote Access Dialing NumberRemote Alarm IndicationResource Available IndicationRedundant Array of Inexpensive/ Independent DisksRedundant Array of Inexpensive/Independent DisksResale Access LineResource All BusyRandom Access MemoryRevenue/Regional Accounting OfficeReverse Address Resolution Protocol (IETF)Registration, Admission, and StatusRegistration, Admission, StatusRemote Access Server/ServiceRemote Antenna Signal ProcessingRadio Access Technology (GSM - UMTS)Read Block Error counter for Far endRead Block Error counter for Near endRegional Bell Operating CompanyRobbed Bit SignalingROM-Based Setup UtilityROM-Based Setup Utility (HP)Radio ControlReceiver Signal Element Timing (EIA-232-E)Recurring ChargesRetransmission CounterRinging CircuitRadio Corporation of AmericaRadio Common Carrier

Acronym

Reverse Control ChannelRemote Channel ExtendersRegistration Confirm (RAS)Remote Call ForwardingRouting Control FieldRate Center InconsistencyRecent Change Memory Administration CenterRevenue Collection Risk Management SystemRemote Cell UnitReceiveReceiver Sequence NumberReceive DataReceived Data (EIA-232-E)Request Disconnect (HDLC)Routing DomainRemote Digital Access CenterRelational DabaBase Management SystemRegional Data CenterRemote Distribution FrameRoute Designator FieldRemote Defect Indicator-LoopRemote Defect Indicator-PathRemote Defect Indicator-VirtualRemote Defect IndicatorRelational Database Management System (Database)Remote Desktop ProtocolRemote Desktop ProtocolRadio Determination Satellite ServiceRemote Digital TerminalRestricted Differential Time DelayRemote Distribution UnitRelaying EntityRECeiverRegistration NotificationReject (HDLC)Regular pulse Excitation Linear Prediction codingRing Error MonitorRinger Equivalent NumberRepeatResponseReturningRadio FrequencyRequest For ActionRequest For CommentRequest For Comments (IETF)Remote Frame Handler (ISDN)Radio Frequency InterferenceRequest For InformationRadio Fixed Part

Acronym

Request For ProposalRequest For QuoteResearch GroupRing GroundResource Group Manager (Sun Cluster)Residential GatewayRequest/Response HeaderRegional Holding CompanyRing In (Token Ring MAU)Ring Indicator (EIA-232-E)Route IndexRemote Insight BoardRemote Insight Board Command LanguageRouting Information Field (Source Routing)Routing Information Indicator (Source Routing)Remote Insight Lights-Out Edition (HP)Request Initializaiton Mode (HDLC)Routing Information ProtocolRouting Information Protocol (IETF)Réseau IP EuropéenReduced Instruction Set ComputerReduced Instruction Set Computer/ComputingRemote Job EntryReceive Line Clock InputReceive Line Data InputRedundant Link ManagementReceived Line Signal Detect (EIA-232-E)Resource ManagementRecovery Manager (Database)Remote Maintenance And Testing SystemRemainderRemote MonitoringRoot Mean SquareReference NoiseRadio Network Controller (UMTS)Receiver Not Ready (HDLC)Ring Out (Token Ring MAU)Residence Optional Calling PlanReceiver Off HookReturn On InvestmentRead Only MemoryRemote Operations MicroprocessorRate of ReturnRemote Operations ServiceRemote Operation Service Element (Application Layer)Remote Office Test LineRouting RequestRight Of WayRadio Part

Acronym

Route Processor (Cisco)Remote Procedure CallRadio Port Control UnitRegular Pulse Excitation-Long Term Prediction (GSM)Resource Prioritization ManagerRecognized Private Operating AgencyResilient Packet RingRing Parameter ServerReceiver Ready (HDLC)Registration Reject (RAS)Radio Resource ManagementRegistration Request (RAS)Return RequestResidence Resale Usage DiscountsRecommended Standard-232C serial communications standardRadiofone Services, LLCRivest, Shamir and Adleman (encryption)Rural Serving AreaRural Statistical AreaResale Service Area PlanRemote Time Spooling Communications SubsystemRoute Selection Control VectorRadio Signaling LinkReceived Signal LevelRemote Server ManagementRemote Switching ModuleRemote Switching Module (telephony)Repair Service BureauRoute/Switch Processor (Cisco)Remote Switching (Sub)SystemRemote Switching SitesRemote Switching SystemRemote Switching UnitReliable SAP Update Protocol (Cisco)Resource Reservation ProtocolReal-Time Resource Sharing ExecutiveRegional Subscription Zone IdentityRemote TerminalRotation TimeRouting TypeRemote Trunk ArrangementRural Trading AreaRemote Test Access DataRetransmission BufferRun Time ControlReal-Time Transport Control ProtocolRich Text FormatRouting Table Maintenance Protocol (AppleTalk)Real-Time Transport Portocol

Acronym

Real-Time Transport ProtocolRealtime Transport ProtocolRouting Update Protocol (VINES)Retransmission indicatorReferral Tracking SystemRequest To Send (EIA-232-E)Remote Transfer Service Element (Application Layer)Real-time Streaming ProtocolRemote test UnitRequest/Response UnitReverse Interrupt (BISYNC)Receiver WindowReceiveReturn to ZeroService & EquipmentSpeech and Language TechnologySynchronous CDMASatellite Personal Communication NetworksSignal to Noise RatioSS7 Application PartSignal splitterSmart Access Shopping ProtocolService AuthorSource AddressSpecial AccessSubareaService Adaptive AccessSystems Application Architecture (IBM)Signaling ATM Adaptation Layer (ATM)Set Asynchronous Balanced Mode (HDLC)Set Asynchronous Balanced Mode Extended (HDLC)Satellite Access CenterService Access CodesSingle Attachment Concentrator (FDDI)Special AccessSlow ACCH (GSM)Service Address DirectoryStreet Address GuideServing Area InterfaceService Access MultiplexerSubscription and Account Management (Sicap)System Administration ManagerSystem Adminitration ManagerSAM InterfaceStorage Area NetworkSignaling Area Network CodeService Access PointService Advertising Protocol (NetWare)Special Access POTS service

Acronym

Service Access Point Identifier (LAPD)Segmentation and Reassembly PDUSegmentation and ReassemblySegmentation and Reassembly (ATM)Specific Absorption RateSet Asynchronous Response Mode (HDLC)Serial Attached SCSISingle Attachment StationSingle Attachment Station (FDDI)Specific Applications Service Element (subset of CASE, Application Layer)Serial ATAStreet Address Telephone DirectorySignal BatterySummary BillingSynchronisation BurstSubscriber Browser InterfaceSynchronous Backplane InterfaceSatellite Business SystemsSmall Business ExchangeSingle Carrier Frequency Domain EqualizationService CreatorSelective Call AcceptanceSubsidiary Carrier AuthorizationSystem Communication ArchitectureSwitch-to-Computer Application InterfaceSwitch-to-Computer Application(s) InterfaceSattelite Communications ControlSpecial Common CarrierSwitching Control CenterSignaling Connection Control PartSignaling Connection Control Point (SS7)Switching Control Center SystemService Creation EnvironmentService Creation Environment FunctionService Control FunctionSynchronisation ChannelSanta Cruz OperationService Control PointService Control Point (SS7)Session Control ProtocolSingle Channel Per CarrierService Control Point SimulatorSustained Cell Rate (ATM)Signal Computing System ArchitectureSmall Computer Systems InterfaceSerial Clock Transmit External (EIA-232-E)Simple Control Transmission ProtocolSpeaker DependentStarting Delimiter (LAN)

Acronym

Standalone Dedicated Control ChannelSynchronous Data Channel UnitService Data FunctionSynchronous Digital HierarchySynchronous Digital Hierarchy (ITU-T,SONET)Software Development KitSpecificatil and Description LanguageSynchronous Data Link ControlSynchronous Data Link Control (IBM)SDLC Logical Link Control (Cisco)Space-Division MultiplexingSubstrate Data MuxSpatial Division Multiple AccessSoftware Defined NetworkSoftware Defined Network Control CenterService Data PointService Definition and ProvisioningSession Description ProtocolSpeaker Dependent RecognitionSynchronous DRAMSynchronous Dynamic Random Access MemoryScientific Data SystemsShort Data ServiceSwitched Digital ServicesSwitched Digital Service Applications ForumSymmetric Digital Subscriber LineSMDS Data Service UnitSDL Design ToolStandard Definition (digital) TelevisionService Data UnitStatus Enquiry (FR)Simple and Efficient Adaptation LayerSequential Coleur Avec MemoireSequential Coleur Avec Memoire (Sequential Color with Memory)Internet RoamingService Execution EnvironmentSingle Ended Fault LocatingSelector FieldService Execution PlatformSignaling End PointSevere Errored SecondsSecure Electronic TransactionService FunctionSignal FrequencySingle FrequencyStatus FieldSuper FrameSuperframe FormatStandalone Fast CDR Handler (Sicap)

Acronym

Slow Frequency HoppingStart of Frame Sequence (LAN)Signal GroundSignaling GatewayStudy Group (ITU-T)Simple Gateway Control ProtocolStandard Generalized Markup LanguageStandard Generic Markup LanguageSimple Gateway Management Protocol (IETF)Synchronous Graphics RAMService GPRS Support NodeServing GPRS Support NodeSAR Sublayer HeaderSelf-Healing Alternate Route ProtectionSuper High FrequencySelf-Healing Network ServiceSelf-Healing RingService IndicatorService Information octetSingle InstanceSpeaker IndependentService Independent Buiding BlockStatus Indication B (busy)Speaker Independent Connected Digit RecognitionSilence Descriptor (GSM)System ID numberSystem IdentificationSiemens ISDN Software Development and Evaluation SystemStatus Indication E (emergency alignment)Signaling Information FieldSignalling Information FieldSIGnaling TransportSMDS Interest GroupSpecial Interest GroupSignaling StrobeSIGnaling TRANsportStandard for Interoperable LAN Security (IEEE 802.10)Set Initialization Mode (HDLC)Subscriber Identity ModuleSubscriber Identity Module (GSM)Subscriber Information ModuleSingle Instruction stream, Multiple Data streamSingle Inline Memory ModuleStatus Indication N (normal alignment)Signal-to-Noise Plus Distortion (ratio)Scientific and Industrial Organizations (ITU-T)Service Information OctetSignaling Information OctetStatus Indication O (out of alignment)

Acronym

Serial Interface Processor (Cisco)Session Initiation ProtocolSMDS Inteface ProtocolSMDS Interface Protocol (Cisco)Siemens ISDN PC User BoardSpeaker Independent RecognitionSustained Information Rate (SMDS)Special Identification Tone(s)System Integration TestingSociety of International Aeronautical TelecommunicationsSignaling Interface UnitSpeaker Identity VerificationShortest Job FirstService KeyService LayerService Level AgreementSignaling Link CodeSubscriber Line ChargeSubscriber Loop CarrierSyncLink DRAMService Logic Execution EnvironmentService Logic Execution Environment (HP)Subscriber Line Interface CardSerial Line Interface Protocol (IETF)Serial Line Internet ProtocolSingle Longitudinal ModeService Logic ProgramService Logic Program (HP)Single-Link Procedures (X.25)Service Logic Program InstanceSource Local ReferenceSignaling Link SelectionSingle Link SetSpoken Language SystemsSecondary Logical UnitService ManagerSingle ModeSwitching Module (AT&T 5ESS)Service Management Access FunctionService Management Agents FunctionSystem Management Application PartSystems Management Application Service ElementSatellite Master Antenna TVServer Message BlockSwitch Maintenance CenterShort Message Delivery - Point to PointSubscriber Maintenance Distributing FrameSimple Message Desk InterfaceStation Message Detail Recording

Acronym

Switched Multimegabit Data ServiceSwitched Multimegabit Data Service (Bellcore)Short Message EntitySubject Matter ExpertSingle-Mode FiberSpecial Mobile Group (ETSI)Structure of Management InformationStructured Management of Information (OAM)Synchronized Multimedia Integration LanguageService Management LayerService Management Point/PlatformSimple Management ProtocolSwitching Module ProcessorSymmetric MultiProcessingShort Message Peer to PeerShort Message Peer to Peer Protocol (GSM - UMTS)Special Mobile RadioSpecialised Mobile RadioShort Message Service CentreSMS Mobile OriginatedSMS Mobile TerminatedSMS Point to PointService Management SystemShort Message Service (GSM - UMTS)Speech Mail SystemStandard Metropolitan Statistical AreaShort Message Service Centre (GSM - UMTS)Short Message Service Cell BroadcastSMS Cell BroadcastSimple Mail Transfer Protocol (IETF)Senior Member of Technical StaffService Negotiation and ManagementSequence Number (ATM, DQDB, SMDS)Serial NumberService NodeSubscriber NumberSwitching NetworkSystems Network ArchitectureSystems Network Architecture (IBM)SNA Distributed ServicesSubnetwork Access Protocol (IEEE 802)SendSub-network Dependent convergence ProtocolSenderSouthern New England Telephone CompanySubscriber Network Interface (SMDS)Simple Network Management ProtocolSimple Network Management Protocol (IETF)Simple Network Management/Monitoring Protocol

Acronym

SNMP Interface Module (SZ)SNMP version 2 (IETF)Sequence Number ProtectionSignal to Noise RatioSingle Number ReachSet Normal Response Mode (HDLC)Set Normal Response Mode Extended (HDLC)Service OrderServing OfficeSwitch Over (HA)Service Order AdministrationService Order Analysis & ControlSimple Object Access Protocol (Protocol)Service Order Front End systemSection Overhead (SONET)Start Of HeaderStart of Header (BISYNC)Small Office - Home OfficeSmall Office/Home OfficeSmall Outline J-LeadSynchronous Operating NETworkSynchronous Operating/Optical NETworkSynchronous Optical Network (BISYNC)Service Order Retrieval and Distribution systemSAR Sublayer PayloadService ProviderSignaling Point (ANSI)Switch Processor (Cisco)Switching PointSecurity Posture Assessment (Cisco)Specific Poll Address (SS7)Standards Promotion and Application Group (BISYNC)Space Physics Analysis NetworkSwitched Port Analyzer (Cisco)Scalable Performance ArchitectureSignaling Point Code (SS7)Statistical Process ControlStored Program ControlSwitched Permanent CircuitsSpectrum CellularSerial Port Control RegisterStored Program Control SystemStored Program Controlled SwitchSerial Presence DetectSession Protocol Data UnitSynchronous Payload Envelope (SONET)Shortest Path FirstSoftware Plug InService Profile Identifier (ISDN)

Acronym

Service Provider Identification NumberService Provider Local Number PortabilitySpace Switch ModuleService Provisioning Measurement PlanService Provider NumberSingle Point of ContactSingle Point of FailureSequenced Packet Protocol (NetWare)Supplementary Performance Report MessageSpeech Processing and Telephony (telephone front-end)Single Protocol Transport NetworkSequenced Packet Exchange (NetWare)Signal Quality Detector (EIA-232-E)Staggered Quadrature Amplitude ModulationSignal Quality DetectorStructured Query LanguageStructured Query Language (Database)Staggered Quadrature Phase Shift KeyingSignal to Quantizing noise RatioSource Routing-Transparent Bridging (IEEE)Selective RoutingService RequestSource Routing (IBM)Static RAMSecondary Received Data (EIA-232-E)Sub Rate Data MultiplexerSicap Rating EngineSelective Reject (HDLC)Signed Response (GSM)Specialized Resource FunctionSpecifically Routed Frames (Token Ring SR)SIP Relay Interface (SMDS)Singing Return LossSignaling Route ManagementSpatial Reuse ProtocolSpecialized Resource PlatformSpecialized Resource PointSource Routing TransparentSynchronous Residual Time StampSignaling System 6Signaling System #7Signaling System 7Spread SpectrumSupervisory CenterSuplementary ServicesSupplementary Service SupportSwitching System (SMDS)Station Select Address (BISYNC)Session Service Access Point (LLC)

Acronym

Signal Side BandSingle Sideband Suppressed CarrierService Switching and Control PointSystem Service Control PointSystem Service(s) Control PointService Specific Convergence SublayerSilicon Switching Engine (Cisco)Service Switching FunctionSubservice Field (SS7)Secure SHellSingle System ImagingSecure Socket LayerSingle Segment Message (DQDB, SMDS)Speech Synthesis Markup LanguageSubSystem NumberSwitched Services NetworkSCCP Subsystem ProhibitedService Switching Point (SS7)Siemens Switching ProcessorSilicon Switch Processor (Cisco)Service Switching Point EmulatorSMDS Switching SystemSubscriber Switching SubsystemSynchronous Service TransportSpacecraft Switched Time Division Multiple AccessSAR Sublayer TrailerSegment Type (DQDB, SMDS)Signaling TerminalSTop (end of pulsing signal)Subscribers TerminalSpanning Tree Algorithm (LAN)Start AcknowledgementSyncron Transfer Control RegisterSecondary Transmitted Data (EIA-232)Statistical Time Division MultiplexerSection Terminating Equipment (SONET)Signaling Terminal Equipment(V.75)Spanning-Tree Explorer (LAN)SIM Tool Kit (GSM - UMTS)SIM ToolKitSONET Terminal MultiplexerSynchronous Transfer ModeSynchronous Transport Module (SDH)Service Traffic PositionShielded Twisted Pair (Physical Layer)Signaling Transfer Point (SS7)Spanning Tree Protocol (Data Link, Bridges)Strategic Technical ProjectSynchronous Transport Signal (level)-1

Acronym

Synchronous Transport Signal (SONET)Serial Tunnel (Cisco)Start of TeXt (BISYNC)Signal(ing) UnitSCCP User AdaptationSignal Unit Error Rate monitor (SS7)Suspend (SS7)Signaling Virtual Channel (ATM)Switched Virtual CallSwitched Virtual CircuitSwitched Virtual Circuit (Packet Switching)Switched Virtual ConnectionSimultaneous Voice DataSuper Video Graphics ArraySubvector IdentifierSelect Vertical Spacing (Teletex)Subvector ValueSeeker WirelessShared Wireless Access ProtocolServing Wire CenterSwitching Wire CenterSwitched Fractional DS1Switched FractionalSliding-Window Flow ControlStep-by-Step (Switching)Step-by-step SwitchSynchronizationSYNCHronousSYNchronous TRANsmission

Seeker ZoneDS-1 digital systemTipTerminal AdapterTerminal Adapter (ISDN)Timing AdvanceTiming Advance (GSM - UMTS)Cisco Technical Assistance CenterTerminal Access CircuitTerminal Access Controller Access Control System PlusTerminal Access Controller Access Control System Plus (Cisco)Telephone Area Code DirectoryTotal Access Communications SystemTerminal Adaption Function (GSM)Technical Advisory Group (IEEE 802)Trunk Assignment GroupTransport Adapter Layer InterfaceTimer Active MonitorTechnician Access Network

Acronym

Telephony Access ObjectTest Access PathTransferred Account Procedure(Microsoft's) Telephone/Telephony Application Programming InterfaceTelephone/Telephony API (Microsoft)Telephony APITime Assigned Speech InterpolationTerminating Attempt TriggerTransATlanticTest Access UnitTime Assignment UnitTransparent Asynchronous Transmitter/Receiver Interface (Physical Layer)Transparent BridgingTo Be DeterminedToll Billing ExceptionTechnical Basis for RegulationTelecommunications ClosetTerminating ChannelTextual Convention (GSM - UMTS)Transaction CapabilitiesTransmission ControlTransmission ConvergenceTransmitted Signal Element Timing (DCE Source, EIA-232)Transport ConnectionThreshold Crossing AlertTelecommunications Access Method (SNA)Telecommunications Communication Access MethodTransaction Capabilities Application PartTransaction Capabilities Application Part (SS7)Traffic Channel (GSM)Telephone Company IdentificationTelecommunications Industry ForumTool Command LanguageTandem Connection MaintenanceTime Compression MultiplexingTrellis Coding ModulationTopology Change NotificationTransmission Control Protocol/Internet ProtocolTransfer Call PeriodTransmission Control Protocol (IETF)Transport Control ProtocolTelecommunications Control Unit (SNA)Trunk Coupling UnitTime Division CDMATime Division-Synchronous CDMATransmit DataTransmitted Data (EIA-232-E)Terrestial Data CircuitTransportation Data Coordination Committee

Acronym

Time Division Duplex(ing)Tie Down InformationTechnical Development ManagerTime Division MultiplexingTime Division Multiple AccessTime Division Multiplexing SystemTime Difference Of ArrivalTrigger Detection PointTime Domain ReflectometerTime Delay to XTIme Delay to YTerminal Equipment type 1 (ISDN capable)Terminal Equipment type 2 (non-ISDN)Terminal Equipment (ISDN)Terminal Endpoint Identifier (LAPD)Terminal emulation protocol & applicationTotal Element Long-Run Incremental CostTransient ElectroMagnetic Pulse Emanation STandardTerrestrial Trunked RadioToll Free NumberTandem Free OperationToll Free ServiceThin Film TransistorTrivial File Transfer ProtocolTerrestrial Flight Telephone SystemTechnical GroupTrunk GroupTrunking GateWayTransmission HeaderTrans-Hybrid LossToken Holding TimerToken Holding Timer (FDDI, Token Ring)Transaction IdentifierTelecommunications Industry AdvisoryTelecommunications Industry AssociationTelephony Interface ControlTime Interval ErrorTransaction Interface Module (SZ)Tagged-Image File FormatTransmission Impairement Measuring SetTelecommunications and Internet Protocol Harmonisation over NetworksTrunk Integrated Records Keeping SystemTimes Journal Publishing CompanyTransaction Language OneTokenTalk Link Access Protocol (Apple)Translation Lookaside BufferTransmission Level PointTransport Layer HeaderTransmission Level Point

Acronym

Telecommunications Line Protector UnitTransparent LAN ServiceTag Length ValueTrunk and Line Work StationTerminal MultiplexerTrunk Module AnalogTelecom Media Card (HP)Telecommunication Media CardTime slot Management ChannelTrunk Module DigitalTelecommunications Main Grounding BusbarTelecommunication(s) Management NetworkRecommended Ambient Operating TemperatureTime-Multiplexed SwitchTransport Management SystemTemporary Mobile Subscriber IdentityTemporary Mobile Subscriber Identity (GSM - UMTS)Telephone NumberTime slot NumberTransit NodeTelephone Number AssignmentTransit Network SelectionTime Of ArrivalType of Address (X.25)Time Of DayTransport Overhead (SONET)Telecom Operations MapTechnical and Office Protocol (Boeing)Traffic Operator Position SystemTesting Operation SystemType of ServiceType of Service (IP)Twisted Pair Physical Medium Dependent (FDDI)Toll PrefixTransaction ProcessingTransport Protocol (ISO)Twisted PairTerminal Packet Assembler/Disassembler (BISYNC-BPAD)Twisted Pair Attachment UnitTerminating Point CodeTransPort Cross ConnectTransport Protocol Data UnitTerminating Point GroupTip-Party IdentificationTCP PacketsTotal Quality ManagementTechnical RequirementsToken RingTransmitteR

Acronym

Traffic Restart AllowedTraffic Routing AdministrationTranscoder Rate Adapter UnitTranscoding Rate and Adaption UnitTechnical Requirements DocumentToken Ring Interface Processor (Cisco)Telecommunications Relay ServicesToken Ring SubsystemToken Rotation TimeToken Rotation Timer (FDDI, Token Ring)Transmit/Receive UnitTraffic Restart WaitingTandem Repeater ExchangeTransmitter/receiver (transceiver)Tandem SwitchingTerminal ServerTime SlotTransport Service Access Point(Novell's) Telephone/Telephony Application Programming InterfaceTelephone/Telephony API (Novell)T-1 rate Small Aperture TerminalTelecom Signaling Card (HP)Telecommunication Signaling CardTest System ControllerTraining Sequence Code (GSM)Transport Service Data UnitTechnology Services GroupTransport System Generic RequirementsTime Slot InterchangeTest Signal IdentificationTerminal Server ManagerTime Switch ModuleTimer Standby MonitorTerminating Screening OfficeThin Small Outline PackageTandem Switch ProviderTraffic Service Position SystemTerabit Switch RouterTerminate and Stay Resident (program)Terminate and Stay Resident programsTelecommunication Standardization Sector (ITU-T)Trunk and Signaling SubsystemTrunk Servicing SystemTime Slot Sequence IntegrityTandem Switched TransportTime-Space-Time (Switching Process)Time-Space-Time-SpaceTelecommunication Signaling UnitText Telephone

Acronym

Touch ToneTransport TerminationTandem Transit ChargeTemporary Text Delay (BISYNC)Time To LiveTransistor-Transistor LogicTimed Token Protocol (FDDI)Trusted Third PartyTarget Token Rotation TimeTarget Token-Rotation Time (FDDI)Text To SpeechTandem T-1 UnitTrunk UnitTelephone User InterfaceTelephone User Part (SS7)Traffic Usage RecorderToward Utility Rate NormalizationTelevision Receive OnlyTelevision Receive OnlyBSSTransmitter WindowTwo-Way Alternate (HDLC)Two-Way Simultaneous (HDLC)TransmitUnbalanced Asynchronous (HDLC)Unnumbered Acknowledgement (HDLC)User AgentUser Access NodeUTRA Absolute Radio Channel Frequency Number (GSM - UMTS)Universal Asynchronous Receiver TransmitterUnavailable SecondsUnspecified Bit Rate (ATM)Utility Communications ArchitectureUtility Consumers Action NetworkUniform Call DistributionUser Centered DesignUnequipped Circuit Identification CodeUniversal Communications StandardsUniversal Digital ChannelUnrestricted Digital Information (ISDN)Univac Data Link ControlUniversal Digital Loop CarrierUser Datagram ProtocolUser Datagram Protocol (IETF)UnitdataUnitdata ServiceUser Equipment (GSM - UMTS)Universal Event LoaderUltra High FrequencyUnit Interval

Acronym

Unnumbered Information (HDLC)User InterfaceUnit IdentificationUtility Industry Standards GroupDEC's version of UNIXUniversal Lifeline Telephone ServiceUnified MessagingUpper Memory BlockUniversal Mobile Telecommunications SystemUniversal Mobile Telecommunications System (GSM - UMTS)Unbalanced NormalUniversal Naming ConventionUser Network InterfaceUser-Network Interface (ATM, FR)UNIversal trunk-out-of-service CodeUnified Network Management ArchitectureUnumbered PollUser Part AvailableUsage Parameter ControlUniversal Personal NumberUninterruptible Power System/SupplyUnited Parcel ServiceUniversal Personal TelecommunicationsUser Part TestUser Part UnavailableUniversal Resource IdentifierUnregistration Reject (RAS)Uniform Resource LocatorUniform/Universal Resource LocatorUniform Resource NameUnregistration Request (RAS)United Services Automobile AssociationUniversal Synchronous Asynchronous Receiver TransmitterUltra Small Aperture TerminalUniversal Serial BusUser System InterfaceUMTS SIM (UMTS)Universal Subscriber Identity Module (3G)Universal Service ObligationUniversal Service OrderUniversal Service Offering/Order CodeUniversal Service Order(ing) CodeUsage Sensitive PricingUser-to-User Information (SS7)Unstructured Suplementary Services (SS)Unstructured Supplementary Service Data (GSM - UMTS)United States Telecommunications AssociationUMTS STK (UMTS)USSD Service Utility

Acronym

Unlicensed PCS Ad Hoc Committee for 2-GHz MicrowaveCoordinated Universal TimeUnable to Comply Ack (EOC)Unacknowledged (Unnumbered) Information Transfer ControlUniversal Transaction MonitorUniversal Transverse MercatorUnshielded Twisted PairUnshielded Twisted Pair (Physical Layer)Universal Terrestrial Radio AccessUniversal Terrestrial Radio Access NetworkUnbundled Tandem SwitchingUNIX-UNIX CopyUser-to-User SignalingUniversal Voice-grade Channel UnitUltra Wide BandVoice Activated DialingVoice Activity Detector (GSM)Value Added NetworkValue-Added NetworkVoice Activated Network ControlValue Added Network ServiceValue-Added ProcessVoice Activated Premier DialingValue-Added ServicesVirtual Address Extension (DEC)Two or more VAXesViolating All-Zero OctetVery High-speed Backbone Network ServiceVariable Bit Rate-Non-Real-Time (ATM)Variable Bit Rate-Real-Time (ATM)Variable Bit RateVariable Bit Rate (ATM)Virtual Channel (ATM)Virtual Circuit (PSN)Virtual ConnectionVirtual Container (SDH)Value Card ApplicationVirtual Channel Connection (ATM)Virtual Channel IdentifierVirtual Circuit/Channel IdentifierVirtual Channel LinkVirtual Channel MemoryVideo Cassette RecorderVideo Conferencing SystemVirtual Circuit SwitchVoice Control SystemsVoice Data MuxVery high bit rate Digital Subscriber LineVideo Dial Tone

Acronym

Visual Display UnitVirtual EnvironmentVideo Enhanced Service ProvidersVoice FrequencyVirtual Facility GroupVoice Frequency LineVoice GradeVideo Graphics ArrayVery High Density Cable InterconnectVery High bit rate Digital Subscriber LineVirtual Home EnvironmentVery High FrequencyVector IdentifierVoluntary Interindustry Communications Standards for EDIVirtual Intelligent NetworkVirtual Networking System (Banyan)Versatile Interface Processor (Cisco)VINES Internet ProtocolVirtual IPVector LengthVirtual Local Area NetworkVery Low Bit RateVery Low FrequencyVisiting Location RegisterVisitor Location Register (GSM - UMTS)Very Large Scale IntegrationVirtual MachineVirtual MemoryVersa Module EuropeVisual Message IndicatorVirtual Media ResourceVirtual Memory SystemVirtual Memory System (DEC)Visual Message Waiting IndicatorVirtual NetworkVia Net LossVirtual Network SystemVoice Over ATMVoice Over BroadbandVideo On DemandVoice Over DSLVector Orthogonal Frequency Division MultiplexingVoice Over Frame RelayVoice XMLVoice Over Internet ProtocolVoice Over Internet ProtocolsVoice over IPVoice On the 'NetVoice Over Packet

Acronym

Vice PresidentVirtual PathVirtual Path ConnectionVirtual Permanent CircuitVirtual Private CircuitVirtual Private Dial-up NetworkVirtual Path IdentifierVoice Profile for Internet MailVirtual Private NetworkVantage Point OperationsVirtual Path TerminatorVirtual Path Cross-connectVector Quantizing CodeVoice Quantizing CodeVariable Quantizing LevelVector Quantizing LevelVariable Quantizing NetworkVirtual RealityVoice ResponseVideo RAMVideo Random Access MemoryVertical Redundancy CheckVirtual Reality Modeling LanguageVoice Response UnitVirtual Storage Access MethodVery Small Aperture SatelliteVery Small Aperture TerminalVoice over SatelliteVisual Side Band Aperture ModulationVestigial SidebandCisco's Virtual Switch ControllerVector Sum Excited Linear PredictionVirtual SMSCVideo Service ProviderVirtual Terminal (ISO)Virtual TributaryVirtual Telecommunications Access Method (SNA)Virtual Terminal Access MethodVirtual Terminal EnvironmentVirtual Terminal Protocol (ISO)Volume UnitVoice Extensible Markup LanguageVoice XMLVeritas Volume ManagerWideband-CDMAWideband Digital Crossconnect SystemWorld Wide Web ConsortiumWork AreaWait Acknowledgement (BISYNC)

Acronym

Wireless Access Communications SystemWAP Application EnvironmentWide Area Information Server (IETF)Wide Area Information ServiceWATS Access LineWAN Physical LayerWide Area NetworkWireless Application ProtocolWorld Administrative Radio ConferenceWide Area Telecommunications ServiceWide Area WirelessWideband/BroadbandWire CenterWideband CDMAWideband Data/DigitalWideband and Broadband Digital Cross-connectWavelength Division MultiplexingWireless Ethernet Compatibility AllianceWired Equivalent PrivacyWork Force AdministrationWork Force and AdministrationWeighted Fair QueuingWindows For Workgroups (Microsoft)Workgroup SystemsWorldwide Information InfrastructureWireless Local LoopWindows, Icons, Mouse, and Pull-down menus (Xerox)Wireless In-building NetworkWireless Intelligent NetworkWireless In-building Network ForumWarehouse Industry National Standards GuidelinesWindows IntelWAP Internet Service ProviderWireless Local Area NetworkWireless Local LoopWireline ModemWireless Markup LanguageWake-on LANWork Service Creation EnvironmentWhite PagesWeighted Quadrature Amplitude ModulationWindow RAMWavelength Router Manager (Cisco)Wireless ServiceWork StationWireless Subscriber ControllerWireless Session LayerWorking Service On PremisesWholesale Service Provider

Acronym

Wireless Service ProviderWireless Telephony ApplicationWireless Transport Layer SecurityWorking Telephone NumberWireless Transport ProtocolWeb User InterfaceWorld Wide Web (IETF)What You See Is What You GetExchange Access Frame RelayExchange Access Switched Multi-megabit Data ServiceExchange Access (SMDS)eXchange Access Mapping EntityX.400 API Associationcross BAR switchCrossconnectExtended Distance FeatureeXtended Graphics ArrayX Identification (frame)X.25 InterconnectionExchange Identification (HDLC)XML Remote Procedure Calls (Protocol)eXtensible Markup Language (Protocol)X/Open Management ProtocolExtended Memory SpecificationXerox Network SystemsExtended OfficeCross Polarization DiscriminationCross-Polar DiscriminationX/Open Portability GuideCross-Polar IsolationExpress Transfer ProtocolYellow PagesZero Byte Time SlotZero Byte Time Slot InterchangeZero Code SuppressionZone Information Protocol (AppleTalk)Zone Information SocketZone Information TableZone Usage MeasurementSMBZ - SaMBoZaur - test for propagation of define

Telecom Glossary

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