INDUSTRY MARKETS

D A T A L A Y O U T S

BILLING DETAIL FILE

ISSUE DATE = 01/12/2007

EFFECTIVE DATE = 03/01/2007

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D A T A L A Y O U T S BILLING DETAIL IS AVAILABLE ON CARTRIDGE TAPES AND CD-ROM. CARTRIDGE TAPE P.B855040.B8550504.BC XX.GNNNNVNN (IBM 3480 CARTRIDGES – 18 Track) FILE CHARACTERISTICS CHARACTER FORMAT - E BCDIC INTERNAL LABELS - S TANDARD OPERATING SYSTEM ( IBM COMPATIBLE) RECORD LENGTH - 4 50 BLOCK SIZE - 2 2500 BLOCKING FACTOR - 5 0 THE FOLLOWING INFORMATION IS FOR MAGNETIC CARTRI DGE FILE'S INTERNAL LABEL: INTERNAL HEADER INFORMATION (CONTAINS LAST 17 POSITIONS OF FILE NUMBER) HDR1 = 504.BCXX.GNNNNVNN Where XX is a sequentional number from 01 - 99

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REVISION INFORMATION:

Current Revisions: 03/01/2007 5-25-00 record - No longer supporting ‘1327’ charge code - Added two new charge codes 1328 – Carrier Cost Recovery Fee 1329 – Federal Regulatory Fee Previous Revisions: 11/01/2006 Record Description area

– removed “not currently produced” for the 5-20-00 record.

5-10-00 record – Late-Pay-Charge field will always be zero filled since the LPC amount

is now included in total-adjust field. Late Payment Charge detail will be provided in the 5 20 00 record.

5-20-00 record

– Change transaction-code value 72 to ‘Transfer’. - Add value ‘74’ to transaction-code for ‘Advanced Payment Error’ - Replaced National-Use field (pos 304 – 393) with

Bill-Id for 16 (304 – 319) and National-Use for 74 (320 – 393).

5-65-00 record

- OCC Category values 14 and 16(Refunds) now being used - OCC Category Value 40 (Promotions & Discounts) ne w

Fields populated that were previously not used - USOC field (204 – 208) - Action-Code-Ind (214) - Quantity (215-219) - Line-STA-ID (345 – 386) will be used for CKT # - Station-Number (387 – 396) will be populated with NPA NXX LINE

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THE FOLLOWING IS THE TYPE OF RECORDS ON THESE FILES: RECORD LV NO SN Record Description: 0 00 00 HEADER RECORD (ONE RECORD PER FI LE)- NOT ON CDROM 5 10 00 BILL SUMMARY AND ACCOUNT HEADER DATA 5 10 10 LISTING RECORDS 5 10 40 ENTITY CONTACT INFORMATION 5 20 00 PAYMENTS AND ADJUSTMENTS 5 25 00 CURRENT CHARGES DETAIL 5 25 30 CURRENT CHARGES TAX DETAIL 5 60 00 MESSAGE RECORD 5.60.55 MODULE RECORD – ADVANCED DATA SE RVICES MISC MODULE RECORD 5 65 00 OTHER CHARGES & CREDITS/MISC DET AIL RECORDS 5 65 20 OTHER CHARGES & CREDITS/MISC DET AIL PHRASE/TEXT RECORDS 5 70 00 BILL VERIFICATION RECORDS (SERVI CE AND EQUIPMENT RECORDS) 5 70 20 BILL VERIFICATION (DIFFERENT PRE M ADDRESS)/TEXT RECORDS 5 95 00 LOCAL USE RECORD (SEE BELOW FOR DESCRIPTION) 5 95 90 LOCAL USE – TEXT CODE DESCRIPTIO N RECORD 5 97 00 LOCAL USE - USOC TEXT DESCRIPTIO N RECORD 5 97 10 LOCAL USE – OPTIONAL CALL PLAN T EXT DESCRIPTION RECORD 5 99 00 ACCOUNT TRAILER RECORD 9 99 00 TRAILER RECORD (ONE RECORD PER F ILE) – NOT ON CDROM THE SEQUENCE OF RECORDS FOR ACCOUNTS WITH MULTIPLE BILLING NUMBERS WILL BE AS ABOVE BUT BY MASTER ACCOUNT THEN BILL NUMBER ORDER. THE FOLLOWING DESCRIPTIONS ARE FOR THE (5 95 00) RECORDS. TYPE CAT GRP RT <--- (POSITIONS 154 THRU 159) DATA <---------- ----- (POSITIONS 151 THRU 153) 100 99 51 70 SNET AMERICA DISTANCE PLAN - BA SIC/MULTI-LOC 120 99 51 80 SNET'S AUTOMATIC VOLUME DISCOUN T 260 99 51 50 PAY TELEPHONE ACCESS LINE SERVI CE SUMMARY RECORD 270 99 51 49 WHOLESALE BILLING SUMMARY RECOR D

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MISCELLANEOUS INFORMATION: FIELD DEFAULT VALUES EQUAL SPACES IF THE MODE = A (ALPHA) AND ZEROES IF THE MODE = Z (ZONE DECIMAL)

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RECORD NAME RECORD NUMBER BILLING DETL FILE HEADER RECORD 0 00 00 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 0 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 00 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES

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CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A FILLER = SPACES CAP-ASSOCIATED- 86 89 4 4 A FILLER CHARGE-CODE VALUE = ZEROES CAP-REF-NUMBER 90 98 9 9 Z FILLER = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 150 10 10 A FILLER HEADR-CRIS- 151 152 2 2 A FILLER RECORD-OFFICE VALUE = SPACES HEADR-RAO 153 155 3 3 A REVENUE ACCOUNTING GROUP OFFICE VALUE 020 HEADR-RUN-DATE 156 161 6 6 Z RUN DATE = YYMMDD HEADR-CYCLE- 162 167 6 6 Z CYCLE DATE NUMBER FORMAT = 0YYDDD HEADR-RERUN- 168 169 2 2 Z RERUN NUMBER NUMBER VALUE 01 HEADR-STD-VER 170 171 2 2 Z STANDARD VERSION VALUE = 30 HEADR-LOCAL-VER 172 173 2 2 Z LOCAL VERSION VALUE = 10 HEADR-LOCAL- 174 184 11 11 A LOCAL CONTACT NUMBER CONTACT-NUMBER VALUE = ZEROES LOCAL-USE 185 204 20 20 A FILLER = ZEROES LOCAL-VERSION- 205 210 6 6 A FILLER DATE VALUE = ZEROES LOCAL-USE 211 392 182 182 A FILLER NATIONAL-USE 393 440 48 48 A FILLER LOCAL-USE 441 449 9 9 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

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RECORD NAME RECORD NUMBER ACCOUNT BILL SUMMARY/HEADER DATA 5 10 00 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 10 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES

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CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A FILLER = SPACES CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 150 10 10 A FILLER SUB-AUTH-NO 151 180 30 30 A SUB AUTH PO NUMBER RAO 181 183 3 3 Z REVENUE ACCOUNTING OFF. VALUE = 020 BUS-OFF-CODE 184 185 2 2 A BUSINESS OFFICE CODE FILLER 186 186 1 1 A FILLER CRIS-REC-OFFICE 187 188 2 2 A FILLER VALUE = SPACES PAY-BY-DATE 189 194 6 6 Z NEXT BILL DATE TOTAL-BILL-AMT 195 205 11 11 Z TOTAL BILLED AMOUNT S9(9)V99 PREVIOUS-BILL- 206 216 11 11 Z PREVIOUS BILL AMOUNT AMT S9(9)V99 TOTAL-PAYMENTS 217 227 11 11 Z TOTAL PAYMENT S9(9)V99 TOTAL-ADJUST 228 238 11 11 Z TOTAL ADJUSTMENTS S9(9)V99 TRANSFERED-AMT 239 249 11 11 Z FILLER = ZEROES S9(9)V99 OPTIONAL-USE-A 250 260 11 11 Z FILLER = ZEROES S9(9)V99 OPTIONAL-USE-B 261 271 11 11 Z FILLER = ZEROES S9(9)V99

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NET-PAST-DUE 272 282 11 11 Z NET PAST DUE AMOUNT S9(9)V99 LATE-PAY-CHARGE 283 293 11 11 Z FILLER S9(9)V99 VALUE = ZEROES TOTAL-CURRENT- 294 304 11 11 Z TOTAL CURRENT CHARGES CHARGE S9(9)V99 PAYMENT-APPLIED 305 310 6 6 Z DATE PAYMENT APPLIED -THRU-DATE 9(6) FORMAT = YYMMDD SUMMARY-BILL- 311 311 1 1 A DEFAULT = SPACE NOT USED INDICATOR 0 = NOT SUM BILLED 1 = SUM BILLED ACCOUNT-STATUS- 312 312 1 1 A ACCOUNT STATUS INDICATOR INDICATOR NOT USED 1 = INIT BILL SUPP 2 = REGULAR LIVE MONTHLY 3 = OPTIONAL PLAN (SP) SUPP 4 = FINAL BILL 5 = REVISED FINAL BILL 6 = TEMP SUSPENSION CLASS-OF-SVC 313 313 1 1 A CLASS OF SVC B = BUSINESS R = RESIDENCE HOLD-BILL-IND 314 314 1 1 A FILLER = SPACE ARREARS-IND 315 315 1 1 A FILLER = ZEROES PIC-IND 316 319 4 4 A PRIMARY CARRIER CODE PIC-DATE 320 325 6 6 Z FILLER = ZEROES LATE-PAY-CHARGE 326 330 5 5 Z FILLER = ZEROES -RATE S9V9999 PERCENT ACCT-TAX-STAT- 331 331 1 1 A FEDERAL TAX STATUS IND-FED 0 = TAXABLE 1 = TAX EXEMPT 2 = MULTIPLE TAXES APPLY 6-9 = LOCAL USE ACCT-TAX-STAT- 332 332 1 1 A STATE TAX STATUS IND-STATE 0 = TAXABLE 1 = TAX EXEMPT 2 = SALES & USE TAXABLE 6-9 = LOCAL USE ACCT-TAX-STAT- 333 333 1 1 A FILLER = SPACES IND-COUNTY ACCT-TAX-STAT- 334 334 1 1 A FILLER = SPACES IND-CITY ACCT-TAX-STAT- 335 335 1 1 A FILLER = SPACES IND-MISC-1

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ACCT-TAX-STAT- 336 336 1 1 A FILLER = SPACES IND-MISC-2 TAR-CODE-INFO 337 344 8 8 A FILLER = SPACES NATIONAL-USE 345 398 54 54 A FILLER EDI-SUM-DET 399 399 1 1 A EDI – S = SUMMARY D = DETAIL SPACE = DEFAULT DENIABLE-AMT 400 410 11 11 Z DENIABLE AMMOUNT S9(9)V99 LOCAL-USE 411 450 40 40 A FILLER SNET USE ONLY DUE-UPON-IND 411 411 1 1 A SNET USE 0 = DEFAULT 1 = DUE UPON FILLER 412 412 1 1 A SNET USE FILLER 413 421 9 9 A FILLER FILLER 421 425 5 5 A SVC-CL FILLER 426 439 14 14 A FILLER FILLER 440 440 1 1 A IL/CL FILLER 441 441 1 1 A FILLER FILLER 442 442 1 1 A DT FILLER 443 443 1 1 A CDR FILLER 444 444 1 1 A B/R FILLER 445 445 1 1 A TOLL-TAPE FILLER 446 446 1 1 A BW-35 FILLER 447 447 1 1 A TOLL-CART FILLER 448 448 1 1 A SE-TAPE FILLER 449 449 1 1 A BW-525 RESERVED 450 450 1 1 A FILLER SYSTEM USE

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RECORD NAME RECORD NUMBER BILLING DETL LISTING RECORD 5 10 10 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 10 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 10 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES

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CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A FILLER = SPACES CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 150 10 10 A FILLER CATEGORY-IND 151 151 1 1 A CATEGORY ACCOUNT LISTING VALUE: SUPPO RT 1 - BILLING NAME AND ADDRESS SUPPO RT 2 - LISTING NAME AND ADDRESS 3 - SERVICE NAME AND ADDRESS SUPPO RT 4 - PAYMENT NAME AND ADDRESS 5 - LOCAL USE 6 - CALLING CARD N/A NAME-ADDRESS-1 152 181 30 30 A NAME AND ADDRESS TEXT LINE-1 NAME-ADDRESS-2 182 211 30 30 A NAME AND ADDRESS TEXT LINE-2 NAME-ADDRESS-3 212 241 30 30 A NAME AND ADDRESS TEXT LINE-3 NAME-ADDRESS-4 242 271 30 30 A NAME AND ADDRESS TEXT LINE-4 NAME-ADDRESS-5 272 301 30 30 A VALUE = SPACES ZIP-CODE-BASIC 302 306 5 5 A ZIP CODE ZIP-CODE-PLUS4 307 310 4 4 A ZIP-CODE PLUS 4 DEFAULT = SPACES LOCATION-IND 311 311 1 1 Z FILLER = ZERO 1 = CENTREX 2 = CIRCUIT 3 = D.P.A. LOCATION-CODE 312 316 5 5 A FILLER = SPACES

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TERM-CODE 317 319 3 3 A TERMINATION CODE VALUE = SPACES NATIONAL-USE 320 404 85 85 A FILLER LOCAL-USE 405 450 46 46 A FILLER (REDEFINED) ----------- LISTING-FID 405 406 2 2 A TYPE OF LISTING RECORD BN = BILL NAME LN = LISTED NAME FL = FOREIGN LISTING AL = ADDITIONAL LISTING DEFAULT = SPACES FILLER 407 449 43 43 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

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RECORD NAME RECORD NUMBER ENTITY CONTACT INFORMATION 5 10 40 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 10 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 40 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES

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CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA SEE ADDENDUM FOR ADDITIONAL CODES CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE CAP-LOCAL-USE 142 150 9 9 A FILLER BILL-INQUIRY 151 161 11 11 A BILLING INQUIRY TELEPHONE NUMBER FORMAT = 1NPANXXLINE EXAMPLE = 18005551234 SERVICE-ORDER 162 172 11 11 A SERVICE ORDER (NOT USED) TELEPHONE NUMBER ---------- FORMAT = 1NPANXXLINE EXAMPLE = 18005551234 MAINTENANCE 173 183 11 11 A MAINTENANCE (NOT USED) TELEPHONE NUMBER ---------- FORMAT = 1NPANXXLINE EXAMPLE = 18005551234 DIR-ADVERTISING 184 194 11 11 A DIRECTORY ADVERTISING (NOT USED) TELEPHONE NUMBER ---------- FORMAT = 1NPANXXLINE EXAMPLE = 18005551234 INV-BILL-INQUIR 195 205 11 11 A INVOICE BILLING INQUIRY (NOT USED) TELEPHONE NUMBER ---------- FORMAT = 1NPANXXLINE EXAMPLE = 18005551234 TDD-NUMBER 206 216 11 11 A TDD

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(NOT USED) TELEPHONE NUMBER ---------- FORMAT = 1NPANXXLINE EXAMPLE = 18005551234 ENTITY-NAME 217 256 40 40 A ENTITY NAME NEW-CARRIER-SW 257 257 1 1 A BLANK = DEFAULT Y = NEW CARRIER NATIONAL-USE 258 364 107 107 A FILLER LOCAL-USE 365 449 85 85 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

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RECORD NAME RECORD NUMBER ACCOUNT PAYMENT AND ADJUSTMENTS 5 20 00 FIELD LOCATION NO OF FIELD * CONTR OL DESCRIPTION NAME FROM TO CHAR. LNGTH MODE FIELD S CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 20 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES

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CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A FILLER = SPACES CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 150 10 10 A FILLER TRANSACTION- 151 152 2 2 A TRANSACTION CODE CODE SUPPORT 02 = CASH PAYMENT SUPPOR T 04 = ADVANCE PAYMENT SUPPOR T 06 = TRANSFER PAY-CREDIT SUPPOR T 08 = TRANSFER PAY-DEBIT 10 = BOGUS PAYMENT SUPPOR T 12 = ADJUSTMENT CREDIT SUPPOR T 14 = ADJUSTMENT DEBIT 16 = RECOVERY OF UNCOLLE 18 = UNCOLLE DELAY TOLLS 20 = CANCELLED TOLLS SUPPOR T 22 = DISHONORED CHECK 23 = RETURN CHECK CHARGE 24 = UNCOLLECTABLE 26 = TRANSFER IN CREDIT 28 = TRANSFER IN DEBIT 30 = TRANSFER OUT CREDIT 32 = TRANSFER OUT DEBIT 34 = REFUND BALANCE 36 = TELEGRAM CHARGEBACK SUPPOR T 38 = OTHER CREDIT SUPPOR T 40 = OTHER DEBIT 42 = PUNCHED CASH 44 = PARTIAL CASH 46 = MEMO CASH 48 = BANK DRAFT 50 = SUMMARY CREDIT 52 = SUMMARY DEBIT 54 = ADVANCE SYSTEMS REC 56 = CASH BY B/O 58 = REFER TO AGENCY 60 = ADVANCE TRANS AGENC 62 = DEFER TO AGENCY 64 = SCH TRANS TO AGENCY 66 = MSG RATE ADJ CREDIT 68 = RECOURCE ADV SYS CR SUPPOR T 70 = LATE PAYMENT CHARGE SUPPOR T 72 = TRANSFER

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SUPPORT 74= ADVANCED PAYMENT ERROR BILL-LINE-ADJ- 153 154 2 2 Z FILLER CODE VALUE = ZEROES CUST-AUDIT-NO 155 170 16 16 A CUSTORER AUDIT NUMBER DEFAULT = SPACES TRANS-DATE 171 176 6 6 Z TRANSACTION DATE YYMMDD TRANS-AMOUNT 177 187 11 11 Z TRANSACTION AMOUNT S9(9)V99 TRANSFER-TEL-NO 188 203 16 16 Z FILLER = ZEREOS NPA (3) CO (3) LINE (4) CUST CODE (3) TEXT 204 303 100 100 A FILLER VALUE = DOPA Text BILL-ID 304 319 16 16 A CB BILL ID NATIONAL-USE 320 393 74 74 A FILLER LOCAL-USE 394 449 56 56 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

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RECORD NAME RECORD NUMBER ACCOUNT CURRENT CHARGES DETAIL 5 25 00 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 25 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES

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CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA SEE ADDENDUM FOR ADDITIONAL CODES CAP-ASSOCIATED- 86 89 FILLER ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE CAP-LOCAL-USE 142 147 6 6 A FILLER CAP-ALPHA-ENT 148 150 3 3 A ALPHA ENTITY CODE FOR EXAMPLE: MCI = CASUAL BILL MC2 = INVOICE READY FROM-DATE 151 156 6 6 Z FORMAT = YYMMDD THRU-DATE 157 162 6 6 Z FORMAT = YYMMDD NO-OCCURRENCES 163 164 2 2 Z VALUE 01 THRU 18 THIS FIELD CONTAINS THE NUMBER OF TIMES THE FOLLOWING 2 DATA FIELDS ARE REPEATED FOR MULTIPLE OCCURRENCES OF SIMILAR DATA CHARGE-CODE 1 165 168 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 169 179 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 2 180 183 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 184 194 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99

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CHARGE-CODE 3 195 198 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 199 209 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 4 210 213 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 214 224 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 5 225 228 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 229 239 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 6 240 243 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 244 254 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 7 255 258 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 259 269 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 8 270 273 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 274 284 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 9 285 288 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 289 299 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 10 300 303 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 304 314 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 11 315 318 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 319 329 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 12 330 333 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 334 344 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 13 345 348 4 4 A CHARGE CODE

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SEE BELOW FOR DETAILS CHARGE-AMOUNT 349 359 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 14 360 363 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 364 374 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 15 375 378 4 4 A CHARGE CODE SEE BELOW FOR DETAILS CHARGE-AMOUNT 379 389 11 11 Z AMOUNT BILLED BY CHARGE CODE S9(9)V99 CHARGE-CODE 16 390 393 4 4 A CHARGE CODE SEE BELOW FOR DET CHARGE-AMOUNT 394 404 11 11 Z AMOUNT BILLED BY CODE S9(9)V99 CHARGE-CODE 17 405 408 4 4 A CHARGE CODE SEE BELOW FOR DET CHARGE-AMOUNT 409 419 11 11 Z AMOUNT BILLED BY CODE S9(9)V99 CHARGE-CODE 18 420 423 4 4 A CHARGE CODE SEE BELOW FOR DET CHARGE-AMOUNT 424 434 11 11 Z AMOUNT BILLED BY CODE S9(9)V99 CHARGE CODE ----------- 0100 = TOT CUR CHARGE SUPPO RT 0110 = RECURRING 0115 = TROUBLE ISOLATION PLAN/ MAINTENANCE 0120 = NON-RECURRING 0200 = LOCAL SERVICE CHG 0205 = BASIC SERVICE SUPPO RT 0210 = INSIDE WIRING 0215 = ZONE 0220 = CIRCUIT NUMBER 0225 = BILL COPIES 0230 = OTHER COPIES 0235 = VARIABLE STATION LINE RATE 0300 = ACCESS CHARGES SUPPO RT 0305 = FEDERAL SUBSCRIBER LINE CHARGE 0306 = ACCESS FEDERAL CENTREX 0307 = ACCESS FEDERAL PBX 0308 = ACCESS FEDERAL NON-CTX

26

0309 = ACCESS FEDERAL DORMITORY 0310 = ACCESS STATE 0315 = ACCESS CHRG CRED SUPPO RT 0400 = OTHER CHR & CRED SUPPO RT 0500 = ITEMIZED CALLS 0505 = VOLUME DISCOUNT 0510 = INTEREXCHG CIC SUPPO RT 0600 = DIRECTORY ADVERT 0700 = LOCAL USAGE SUPPO RT 0705 = MEASURED SVC SUPPO RT 0710 = MEASURED RATE SV (PERCALL) 0720 = LOCAL USAGE DETAIL CHGS 0725 = LOCAL USAGE DET- AIL VOLUME DISC 0800 = OPTIONAL CALL PLA SUPPO RT 0900 = CT DIRECTORY ASSISTANCE 0905 = DIRECT CUST ACCE 1000 = WATS 1100 = MOBILE USAGE 1200 = TAXES 1205 = GOVERNMENT 1210 = FRANCHISE 1215 = GROSS RECEIPTS SUPPO RT 1220 = FEDERAL SUPPO RT 1225 = STATE 1230 = LOCAL 1235 = OTHER 1240 = CITY 1245 = CITY OTHER 1250 = STATE OTHER 1255 = COUNTY SUPPO RT 1300 = CT SERVICE FUND SUPPO RT 1305 = CT E911 SURCHARGE 1310 = WATS SURCHARGES 1315 = RELAY SERVICE SURCHARGE SUPPO RT 1320 = CSF SURCHARGE GENERIC WIRELESS SUPPO RT 1321 = LNP SURCHARGE SUPPO RT 1322 = USF SURCHARGE FOR SAI SUPPO RT 1323 = PICC SURCHARGE SUPPO RT 1324 = FLEX/ANI SURCHARG SUPPO RT 1325 = LOCAL USF SURCHAR SUPPO RT 1326 = Federal USF SNET 1327 = Federal USF SBC Internet

Support 1328 = Carrier Cost Recovery Fee Suppo rt 1329 = Federal Regulatory Fee

27

1400 = OTHER VOICE SVCS 1420 = ISDN FEATURES 1425 = VIP 1430 = REMOTE CALL FWD 1435 = LOCAL CALL PLAN SUPPO RT 1500 = LATE PAY CHARGE 1600 = NON VOICE SVCS 1610 = CLASS SUPPO RT 1620 = INTERNET SERVICE 1700 = EMPLOYEE CREDIT SUPPO RT 1800 = MISC CHGS & CRDS (OTHER PROVIDER) SUPPO RT 1900 = PROMOTIONAL CREDIT SUPPO RT 1905 = BUNDLE CREDIT NOTE: THE CHARGES FOR 1900 & 1905 WILL HAVE A NEGATIVE SIGN NATIONAL-USE 435 445 11 11 A FILLER LOCAL-USE 446 449 4 4 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

28

RECORD NAME RECORD NUMBER ACCOUNT CURRENT CHARGES TAX DATA 5 25 30 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 25 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 30 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES

29

CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA SEE ADDENDUM FOR ADDITIONAL CODES CAP-ASSOCIATED- 86 89 FILLER ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE CAP-LOCAL-USE 142 147 6 6 A FILLER CAP-ALPHA-ENT 148 150 3 3 A ALPHA ENTITY CODE FOR EXAMPLE: MCI = CASUAL BILL MC2 = INVOICE READY INCLUDE-FOR- 151 151 1 1 A IND IF TAX IS IMBEDDED BALANCE-IND IN ANOTHER LINE OF BILL 0 = DO NOT INCLUDE 1 = INCLUDE NO-OCCURRENCES 152 153 2 2 Z VALUE 01 THRU 05 THIS FIELD CONTAINS THE NUMBER OF TIMES THE FOLLOWING 7 DATA FIELDS ARE REPEATED FOR MULTIPLE OCCURRENCES OF SIMILAR DATA CHARGE-CODE 1 154 157 4 4 A CHARGE CODE SEE BELOW FOR DETAILS TAX-TYPE-CODE 158 160 3 3 Z TAX TYPE CODE SEE BELOW FOR DETAILS TAX-STATUS-IND 161 161 1 1 A TAX STATUS IND 0 = TAXABLE 1 = TAX EXEMPT

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6-9 = LOCAL USE TAX-PERCENT 162 166 5 5 Z TAX PERCENTAGE V9(5) TAX-AMOUNT 167 177 11 11 Z TAX BILLED S9(9)V99 TAX-BASE-AMT 178 188 11 11 Z FILLER VALUE = ZEROES S9(9)V99 LOCAL-TAX-USE 189 198 10 10 A FILLER VALUE = SPACES CHARGE-CODE 2 199 202 4 4 A CHARGE CODE SEE BELOW FOR DETAILS TAX-TYPE-CODE 203 205 3 3 Z TAX TYPE CODE SEE BELOW FOR DETAILS TAX-STATUS-IND 206 206 1 1 A TAX STATUS IND 0 = TAXABLE 1 = TAX EXEMPT 6-9 = LOCAL USE TAX-PERCENT 207 211 5 5 Z TAX PERCENTAGE V9(5) TAX-AMOUNT 212 222 11 11 Z TAX BILLED S9(9)V99 TAX-BASE-AMT 223 233 11 11 Z FILLER VALUE = ZEROES S9(9)V99 LOCAL-TAX-USE 234 243 10 10 A FILLER VALUE = SPACES CHARGE-CODE 3 244 247 4 4 A CHARGE CODE SEE BELOW FOR DETAILS TAX-TYPE-CODE 248 250 3 3 Z TAX TYPE CODE SEE BELOW FOR DETAILS TAX-STATUS-IND 251 251 1 1 A TAX STATUS IND 0 = TAXABLE 1 = TAX EXEMPT 6-9 = LOCAL USE TAX-PERCENT 252 256 5 5 Z TAX PERCENTAGE V9(5) TAX-AMOUNT 257 267 11 11 Z TAX BILLED S9(9)V99 TAX-BASE-AMT 268 278 11 11 Z FILLER VALUE = ZEROES S9(9)V99 LOCAL-TAX-USE 279 288 10 10 A FILLER VALUE = SPACES CHARGE-CODE 4 289 292 4 4 A CHARGE CODE SEE BELOW FOR DETAILS TAX-TYPE-CODE 293 295 3 3 Z TAX TYPE CODE SEE BELOW FOR DETAILS

31

TAX-STATUS-IND 296 296 1 1 A TAX STATUS IND 0 = TAXABLE 1 = TAX EXEMPT 6-9 = LOCAL USE TAX-PERCENT 297 301 5 5 Z TAX PERCENTAGE V9(5) TAX-AMOUNT 302 312 11 11 Z TAX BILLED S9(9)V99 TAX-BASE-AMT 313 323 11 11 Z FILLER VALUE = ZEROES S9(9)V99 LOCAL-TAX-USE 324 333 10 10 A FILLER VALUE = SPACES CHARGE-CODE 5 334 337 4 4 A CHARGE CODE SEE BELOW FOR DETAILS TAX-TYPE-CODE 338 340 3 3 Z TAX TYPE CODE SEE BELOW FOR DETAILS TAX-STATUS-IND 341 341 1 1 A TAX STATUS IND 0 = TAXABLE 1 = TAX EXEMPT 6-9 = LOCAL USE TAX-PERCENT 342 346 5 5 Z TAX PERCENTAGE V9(5) TAX-AMOUNT 347 357 11 11 Z TAX BILLED S9(9)V99 TAX-BASE-AMT 358 368 11 11 Z FILLER VALUE = ZEROES S9(9)V99 LOCAL-TAX-USE 369 378 10 10 A FILLER VALUE = SPACES CHARGE CODE ----------- SUPPO RT 0100 = TOT CUR CHARGE 0110 = RECURRING 0115 = TROUBLE ISOLATION PLAN/ MAINTENANCE 0120 = NON-RECURRING 0200 = LOCAL SERVICE CHG 0205 = BASIC SERVICE 0210 = WIRING 0215 = ZONE 0220 = CIRCUIT NUMBER 0225 = BILL COPIES 0230 = OTHER COPIES 0235 = VARIABLE STATION LINE RATE 0300 = ACCESS CHARGES 0305 = ACCESS FEDERAL 0306 = ACCESS FEDERAL CENTREX 0307 = ACCESS FEDERAL PBX

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0308 = ACCESS FEDERAL NON-CTX 0309 = ACCESS FEDERAL DORMITORY 0310 = ACCESS STATE 0315 = ACCESS CHRG CRED 0400 = OTHER CHR & CRED SUPPO RT 0500 = ITEMIZED CALLS 0505 = VOLUME DISCOUNT 0510 = INTEREXCHG CIC 0600 = DIRECTORY ADVERT 0700 = LOCAL USAGE 0705 = MEASURED SVC 0710 = MEASURED RATE SV (PER MINUTE) 0720 = LOCAL USAGE DETAIL CHGS 0725 = LOCAL USAGE DET- AIL VOLUME DISC 0800 = OPTIONAL CALL PLA 0900 = DIRECTORY ASSIST 0905 = DIRECT CUST ACCE 1000 = WATS 1005 = MVP 1010 = REMOTE CALL FWDG 1100 = MOBILE USAGE 1200 = TAXES 1205 = GOVERNMENT 1210 = FRANCHISE 1215 = GROSS RECEIPTS 1220 = FEDERAL 1225 = STATE 1230 = LOCAL 1235 = OTHER 1240 = CITY 1245 = CITY OTHER 1250 = STATE OTHER 1255 = COUNTY 1300 = SURCHARGES 1305 = 911 SURCHARGE 1310 = WATS SURCHARGES 1315 = RELAY SERVICE SURCHARGE 1320 = CSF SURCHARGE 1400 = OTHER VOICE SVCS 1410 = RECURRING VOICE MESSAGE SVC 1420 = ISDN FEATURES 1435 = LOCAL CALLING PLANS 1500 = LATE PAY CHARGE 1600 = NON VOICE SVCS 1605 = PACKET SWITCH 1610 = CLASS 1620 = INTERNET SERVICE 1700 = EMPLOYEE CREDIT 1800 = MISC CHGS & CRDS (OTHER PROVIDER) 1900 = PROMOTIONAL CREDIT 1905 = BUNDLE CREDIT

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TAX TYPE CODE ------------- 100 = ALL COMBINED 110 = GOVERNMENT 120 = FEDERAL 130 = STATE 140 = STATE/LOCAL 150 = COUNTY 160 = MULTI-COUNTY 170 = CITY 180 = MUNICIPAL 190 = LOCAL 200 = FRANCHISE 210 = SURCHARGE 220 = REGULATORY 300 = ACCESS 310 = SPECIAL ACCESS SUR 400 = 911 STATE 410 = 911 COUNTY 420 = 911 CITY 500 = HANDICAP 600 = SCHOOL 610 = TRANSIT 700 = OCCUPATIONAL 800 = GROSS RECEIPTS 810 = SALES 820 = SALES STATE 830 = SALES COUNTY 840 = SALES CITY 850 = SALES AND USE 900 = MUNICIPAL SURCHARG 910 = MTA SURCHARGE NATIONAL-USE 379 428 50 50 A FILLER LOCAL-USE 429 449 21 21 FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

34

RECORD NAME RECORD NUMBER MESSAGE RECORD (ITEMIZED CALL DETAIL) 5 60 00 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 60 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES

35

CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA 9033 = COIN COMP 41-50 AND 42-50 RECORDS ONLY 7707 = ATI-DSL 41-50 AND 42-50 RECORDS ONLY 4661 = SNET SMARTPAGES 41-50 AND 42-50 RECORDS ONLY FOR ADDITIONAL CODES SEE ADDENDUM CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE CAP-LOCAL-USE 142 147 6 6 A FILLER FILLER 151 230 80 80 A THESE POSITIONS ARE (REDEFINED) REDEFINED FOR THE ----------- MODULES THAT MAY BE ATTACHED TO THE 41-50-01, 42-50-01 AND 42-50-02 RECORDS AS ID IN POS 231 - 236 IC-ACCOUNT-NO 151 160 10 10 A IC ACCOUNT NUMBER VALUE = SPACES INVOICE-SEQ-NO 161 164 4 4 Z INVOICE SEQ NUMBER 9(4) TAX-STATUS-FED 165 165 1 1 A MGS FED TAX STATUS 0 = TAXABLE 1 = NON TAXABLE

36

TAX-STATUS-ST 166 166 1 1 A FILLER VALUE = SPACES TAX-STATUS-CTY 167 167 1 1 A FILLER VALUE = SPACES TAX-STATUS-CITY 168 168 1 1 A FILLER VALUE = SPACES TAX-STATUS-MIS1 169 169 1 1 A FILLER VALUE = SPACES TAX-STATUS-MIS2 170 170 1 1 A FILLER VALUE = SPACES CALLING-PLAN- 171 175 5 5 A OCP USOC (IF APPLICABLE) USOC DEFAULT = SPACES TAR-CODE 176 183 8 8 A TAR CODE INFO ADDITIONAL-DISC 184 184 1 1 A ADDITIONAL DISCOUNT IND 1 = INTERSTATE DISC 2 = INTERENATIONAL DISC 3 = INTRASTATE DISC NATIONAL-USE 185 214 30 30 A FILLER LOCAL-USE 215 230 16 16 A SEE BELOW (REDEFINED) ----------- SNET'S USE OF THESE LOCATIONS CHARGE-PRE/POST 215 223 9 9 Z SNET USE ONLY DISCOUNT (OCP MESSAGES ONLY) FILLER 224 230 7 7 A FILLER MODULE-AREA 151 230 80 80 A THESE POSITIONS ARE (REDEFINED) REDEFINED FOR THE ----------- MODULES THAT MAY BE ATTACHED TO THE 41-50-01, 42-50-01 AND 42-50-02 RECORDS AS ID IN POS 231 - 236 SEE IND-14 POS 325 FOR VAL OF 5 OR 8 THIS DATA FOR ASI ASDL SVC 947A MODULE ASI-ACCT-NO 151 160 10 10 A ASI ACCOUNT NUMBER NPA NNX LINE CIRCUIT-NO 161 179 19 19 A CIRCUIT NUMBER STATION-NO 180 184 5 5 A STATION NUMBER CONTRACT-NO 185 188 4 4 A CONTRACT NUMBER

37

CONT-CUST-NO 189 216 28 28 A CONTRACTING CUSTOMER ACCOUNT NUMBER USOC 217 221 5 5 A USOC RESOLD-IND 222 222 1 1 A RESOLD INDICATOR DEFAULT = SPACE Y = RESOLD N = NOT RESOLD FILLER 223 230 8 8 A FILLER EMI-RECORD 231 450 220 220 A SEE BELOW TOLL-DETAIL- 231 232 2 2 A VALUE 01 OR 31 = MESSAGE CATEGORY VALUE 41 = CREDIT MSG VALUE 42 = CUSTOMER CHG SUMMARY NON- DETAIL CHG VALUE 96 = 800 REDIRECT WATS MESSAGES FOR THESE MSG SEE POS 406 TOLL-IND-11 FOR INFO TOLL-DETAIL- 233 234 2 2 A VALUES BELOW: GROUP 01 = NORTH AMERICAN ORIG/TERM/BILLABLE 02 = IOTC/IDDD NA ORIG 04 = IOC NA ORIG 05 = IOC OVERSEAS ORIG NA BILLABLE 07 = IOC OVERSEAS ORIG AND TERMINATED NA BILLABLE 50 = SUMMARY 51 = SUMMARY 660 SVC TOLL-DETAIL- 235 236 2 2 A VALUES BELOW: RECORD-TYPE 01 = MSG TELE SERVICE 02 = OUT WATS 03 = OUT WATS 07 = NON-DIAL CONF LEG 08 = DIAL CONF BRIDGE 09 = BILLABLE CONF LEG 10 = PICTUREPHONE CHG 11 = DIGITAL SVC CHG 12 = PER/COLL ANNOUNCE 14 = TELEGRAMS 15 = RECEIVABLE COLLECT ON A PREV SHORTAGE 16 = DIAL-IT SVC CHG 17 = GRP ACCESS BILLING 18 = SPEC CALLING

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19 = SPEC CALLING 25 = WATS - 800 SERVICE 31 = LOCAL/MSG UNIT CHG 32 = DIR ASSISTANCE CHG 33 = MOBILE CHANNEL CHG 34 = MESSENGER SVC CHG 35 = VERIFY BUSY CHG 37 = INTERRUPT SVC CHG 55 = 660 SVC SUM REC 62 = CIRCUIT SW DATA 80 = MARINE/AIR/TRAIN 81 = RADIO LINK CHG 82 = MARINE NON-DIAL CONFERENCE CHG 83 = MARINE NON-DIAL CONFERENCE LEG REC TOLL-DETAIL- 237 242 6 6 A FORMAT YYMMDD MESSAGE-DATE TOLL-DETAIL- 243 244 2 2 A ORIGINATING NUMBER DIGIT FROM-NUMBER- DIGIT COUNT LENGTH TOLL-DETAIL- 245 254 10 10 A ORIGINATING NPA NNN FROM-NUMBER ORIGINATING CO NNN ORIGINATIING LINE NNNN TOLL-DETAIL- 255 257 3 3 A OVERFLOW-DIGITS OVERFLOW DIGITS NNN (IF BOTH THE ORIG AND TERM NUMBER LENGTH FIELDS ARE GREATER THAN 10 THESE ADDITIONAL DIGITS ARE APPENDED TO THE TERMINATING NUMBER) TOLL-DETAIL- 258 259 2 2 A TERMINATING NUMBER DIGIT TO-NUM-LENGTH DIGIT COUNT TOLL-DETAIL- 260 269 10 10 A TERMINATING NPA NNN TO-NUMBER TERMINATING CO NNN TERMINATING LINE NNNN TOLL-DETAIL- 270 276 7 7 A CHARGE FORMAT $$$$CCM CHARGE NOTE THIS FIELD WILL CONTAIN INTERNATIONAL MOBIL TERNIMATION SURCHARGES IF APPLICABLE SEE POS 430-434 TYPE-OF-REG 277 277 1 1 A FILLER VALUE = SPACES NOTE: ON CAT 41,42 THIS ALSO IN POS. 299 TOLL-DETAIL- 278 281 4 4 A STATE TAX FORMAT $$CC STATE-TAX (SEE INDICATOR 13) (REDEFINED) ----------- TOLL-DETAIL- 282 284 3 3 A LOCAL TAX FORMAT $CC LOCAL-TAX (SEE INDICATOR 13)

39

(REDEFINED) ----------- TOLL-DETAIL- 278 282 5 5 A OTHER LINE SURCHARGE OTHER-LINE-SCHG FORMAT $$$CC (REDEFINED) (SEE INDICATOR 13) ----------- FILLER 283 284 2 2 A FILLER (REDEFINED) VALUE = SPACES ----------- TOLL-DETAIL- 278 283 6 6 A TOTAL MODULE TAX AND TOTAL-MODULE- SURCHARGE TAX-SURCHARGE FORMAT $$$$CC FILLER 284 284 1 1 A FILLER VALUE = SPACES TOLL-DETAIL- 285 290 6 6 A CONNECT TIME - HHMMSS CONNECT-TIME (259999 = RECORDING ERROR CONNECT TIME) TOLL-DETAIL- 291 297 7 7 A BILLABLE TIME - MMMMSST BILLABLE-TIME TOLL-DETAIL- 298 299 2 2 A METHOD OF RECORDING METHOD-OF-REC VALUE '01' = CUST DIALED *REDEFINE* VALUE '02' = CUST DIALED VALUE '03' = CUST DIAL/ NOT OPER SERVICED VALUE '04' = CUST DIAL/ NOT OPER SERVICED VALUE '11' = CUST DIAL/ OPERATOR SERVICED VALUE '12' = CUST DIAL/ OPERATOR SERVICED VALUE '21' = OPERATOR COMPLETED (ID'ED & DIALED) VALUE '22' = OPERATOR COMPLETED (AUTOMATIC ID & DIAL) VALUE '31' = OPERATOR HANDLED (CORD BOARD VALUE '32' = OPERATOR HANDLED *REDEFINE* FILLER 298 298 1 1 A FILLER *REDEFINE* TYPE-OF-REG 299 299 1 1 A FILLER VALUE = SPACES NOTE: ON CAT 01 THIS ALSO IN POS. 277

40

TOLL-RET/CAN 300 301 2 2 A RETURN/CANCEL CODE TOLL-DETAIL- 302 304 3 3 A FROM REVENUE ACCOUNTING FROM-RAC OFFICE LOCAL-CO-INFO 305 307 3 3 A MISC INFO *REDEFINE* TOLL-CUST-FORMT 305 305 1 1 A CUST BILL FORMAT *REDEFINE* TOLL-DETAIL- 306 307 2 2 A NO OF CONFERENCE LEGS CONF-LEG-NUM (CONFERENCE CALLS ONLY) *REDEFINE* TYPE-OF-CLASS- 305 307 3 3 A ONLY ON REC TYP 01-01-19 FEATURE 050 = OPER ASSIST Y/P TELEPAGES 018 = USAGE SENSITIVE 3 WAY CALL 070 = CALL TRACE RECORD 033 = CALL AGAIN RECORD 032 = MISSED CALL DIAL TOLL-DETAIL- 308 308 1 1 A RATE PERIOD OF MESSAGE RATE-PERIOD VALUE '1' = DAY VALUE '2' = EVENING VALUE '3' = NIGHT VALUE '4' = SPEC DISCNT THE FOLLOWING CODES ARE FOR INTERNATIONAL MESSAGES VALUE '7' = STANDARD VALUE '8' = DISCOUNT VALUE '9' = ECONOMY TOLL-DETAIL- 309 309 1 1 A CLASSIFICATION OF CALL RATE-CLASS VALUE '1' = PER/PERON VALUE '2' = PERSON CALL BACK VALUE '3' = OPERATOR STATION TO STATION VALUE '4' = DIAL STATION TO STATION VALUE '5' = DIAL RATE VALUE '6' = 0+ CREDIT CARD VALUE '7' = SEMI-AUTO COLLECT 3RD NO AND CALL CARD VALUE '8' = SEMI-AUTO PERSON TOLL-DETAIL- 310 310 1 1 A DEFINES BILLING MESG-TYPE ARRANGEMENT FOR THE CALL VALUE '1' = SENT PAID VALUE '2' = BILL TO 3RD VALUE '3' = CREDIT CARD VALUE '3' = CALLING CARD VALUE '4' = COLLECT

41

VALUE '5' = SPECIAL COLL VALUE '6' = COIN PAID VALUE '7' = SEMI-AUTO COLLECT 3RD NO AND CALL CARD VALUE '8' = SEMI-AUTO PERSON TOLL-DETAIL- 311 311 1 1 A IOC CODE ON GROUP 04+05 IOC-CODE/WATS WATS BAND ON ALL OTHERS BAND REDEFINED TOLL-DETAIL- 311 311 1 1 A TYPE OF DA SVC ON RT 32 TYPE OF DA SVC 0 = Regular DA REDEFINED 1 = MULTIPLE LISTING 2 = APPOINTMENT MUL LIST 3 = NAME AND ADDRESS 4 = NAT WHITE PAGES 5 = NAT YELLOW PAGES 6 = LOCAL WHITE PAGES 7 = LOCAL YELLOW PAGES 8 = INTERNATIONAL Q = INTERSTATE TOLL-DETAIL- 312 331 20 20 A MISC. INDICATORS INDICATORS-1-20 1 THRU 20 (REDEFINED) ----------- INDICATOR-1 312 312 1 1 A RECORD CHARACTERISTICS COIN/HOTEL GUEST VALUE '0' = DEFAULT VALUE '1' = COIN ORIG TELEPHONE CO OWNED VALUE '2' = COIN PART CHARGE OVER VALUE '3' = COIN PART CHARGE UNDER VALUE '4' = HOTEL GUEST ORIGINATING VALUE '5' = OUTWATS OUT OF BAND VALUE '6' = N/A FOR INTEREXCHANG CARRIER VALUE '7' = INTEREXCHANG CARRIER OWNED PUBLIC TELEPHONE VALUE '8' = CUSTOMER OWNED PUBLIC TELEPHONE INDICATOR-2 313 313 1 1 A CREDIT APPLIED/ CUSTOMER REQUESTED VALUE '0' = DEFAULT VALUE '1' = CREDIT APPLY CUT OFF VALUE '2' = CREDIT APPLY

42

POOR TRANSMISSION VALUE '3' = RECHARGE AT CUSTOMER REQUEST VALUE '4' = RECHARGE AT CUSTOMER REQUEST AND CREDIT APPLY VALUE '5' = APPLY CREDIT FOR POOR TRANSMISSION VALUE '6' = APPLY CREDIT FOR CUTOFF VALUE '7' = APPLY CREDIT FOR MISRATED MSG VALUE '8' = APPLY CREDIT FOR WRONG NUMBER INDICATOR-3 314 314 1 1 A RETURNS/REBILL VALUE '0' = DEFAULT VALUE '1' = UNBILL RETURN VALUE '2' = UNCOLLECT RETURN(ICS) VALUE '3' = CORRECT AS WRITTEN VALUE '4' = REBILL RECHARGE AFTER BILL VALUE '5' = RECHARGE PRIOR TO BILLINGG VALUE '6' = INTEREXCH RETURN VALUE '7' = UNBILL RETURN RCHG PRE BILL VALUE '8' = UNCOLL RETURN RCHG PRE BILL VALUE '9' = INTEREXCH RECHARGE INDICATOR-4 315 315 1 1 A OTHER PLACE VALUE '0' = DEFAULT VALUE '1' = OTHER PLACE ORIGINATED VALUE '3' = OTHER PLACE ORIG/TERM VALUE '8' = OTHER PLACE TERMINATED IF EQ TO 8 THEN IF SETT = 8 OR 9 THEN TO-NUMBER = BLANK INDICATOR-5 316 316 1 1 A CARRIER SPECIFIC IND. VALUE '0' = DEFAULT VALUE '1' = ICS

43

VALUE '2' = ICS BEING RETURNED INDICATOR-6 317 317 1 1 A ROUNDING OF BILLABLE TIME VALUE '0' = DEFAULT VALUE '1' = ROUNDING OF MINUTES 1 MINUTE TARRIFF VALUE '2' = UNROUNDED 30 SECOND TARRIFF VALUE '3' = UNROUNDED 1/10 MINUTE TARRIFF VALUE '4' = UNROUNDED 1 MINUTE TARRIFF VALUE '5' = ROUNDING OF 30 SEC INCRS 30 SECOND TARRIFF VALUE '6' = ROUNDING 6 SEC INCRS 1/10 MINUTE TARRIFF VALUE '7' = UNROUNDED 1 SECOND TARRIFF VALUE '8' = NON-STANDARD CARRIER RATING INDICATOR-7 318 318 1 1 A CDAR NO. INDICATOR /30+ CONNECT TIME/OCP VALUE '0' = DEFAULT VALUE '1' = CDAR NUMBER PRESENT VALUE '2' = 30 + CONNECT TIME VALUE '3' = OCP DATA VALUE '4' = CDAR NUMBER AND OCP DATA VALUE '5' = CUSTOMER DIALED SUB- ACCOUNT BILL CODE (CSDBC) VALUE '6' = CUSTOMER DIALED SUB- ACCOUNT BILL CODE (CSDBC) AND OCP DATA INDICATOR-8 319 319 1 1 A SERIAL/OP NUMBER VALUE '0' = DEFAULT VALUE '1' = SERIAL NUMBER VALUE '2' = OPERATOR NUMBER VALUE '3' = REC POINT ID VALUE '4' = OP NUMBER +

44

REC POINT ID VALUE '5' = ORAF NUMBER VALUE '6' = DEPT ID NO. VALUE '7' = IX CARRIER SER NO. INDICATOR-9 320 320 1 1 A RADIO SVCS ORIGINATED VALUE '0' = DEFAULT VALUE '1' = MOBILE NON-ROAMER VALUE '2' = MOBILE ROAMER VALUE '3' = AIRCRAFT VALUE '4' = HIGH SPEED TRAIN VALUE '5' = MARINE VALUE '6' = MARISAT VALUE '7' = HIGH SEAS ORIGINATED INDICATOR-10 321 321 1 1 A RADIO SVCS TERMINATED VALUE '0' = DEFAULT VALUE '1' = MOBILE NON-ROAMER VALUE '2' = MOBILE ROAMER VALUE '3' = AIRCRAFT VALUE '4' = HIGH SPEED TRAIN VALUE '5' = MARINE VALUE '6' = MARISAT VALUE '7' = HIGH SEAS ORIGINATED INDICATOR-11 322 322 1 1 A BILLING NO. CHARACTER VALUE '0' = DEFAULT VALUE '1' = BILL TO MIN VALUE '2' = BILL TO MAN VALUE '3' = BILL TO MAMA VALUE '4' = BILL TO SPEC NO. OF SPEC CREDIT CARD VALUE '5' = BILL TO STAN VALUE '6' = BILL TO NON 7D/OTHER PL VALUE '7' = BILL TO FOR EXCH VALUE '8' = BILL TO PARTY INDICATOR-12 323 323 1 1 A TIME & CHARGES OVERFLOW TIME INDICATOR VALUE '0' = DEFAULT VALUE '1' = TIME & CHARGES QUOTED VALUE '2' = ORIG RECORD FIELD OVFL CONDITION VALUE '3' = SUPPLEMENTAL REC CONTAIN OVFL DATA

45

VALUE '4' = LONG DURATION 'A' RECORD VALUE '5' = LONG DURATION 'B' RECORD VALUE '6' = LONG DURATION 'C' RECORD VALUE '7' = LONG DURATION 'D' RECORD INDICATOR-13 324 324 1 1 A OTHER LINE SURGHARGE/ TAXES VALUE '0' = DEFAULT VALUE '1' = STATE OR CANADIAN TAX VALUE '2' = ST & LOCAL VALUE '3' = LOCAL TAX VALUE '4' = OTHER LINE SURCHARGE PRESENT VALUE '5' = UNRATED LOCAL/MTS MESSAGE VALUE '6' = RESERVED FUTURE USE VALUE '7' = UNRATED IX CARRIER MESS VALUE '8' = TOTAL MODULE 010 TAX AND SURCHARGE PRESENT INDICATOR-14 325 325 1 1 A RECORDS REVISION VALUE '0' = DEFAULT VALUE '1', '2', '3' UNASSIGNED VALUE '4' = REC IN 7/83 FORMAT VALUE '5' = MODULES PRESENT VALUE '6' = REC IS 210 FORMAT W/O MODULES VALUE ‘7’ = REC IS 175 FORMAT W/O MODULES VALUE ‘8’ = REC IS 175 FORMAT WITH MODULES INDICATOR-15 326 326 1 1 A BELL/INDEPENDENT-RATED/ ORIGINATED INDICATOR VALUE '0' = DEFAULT VALUE '1' = BELL RATED ORIGINATED VALUE '2' = BELL RATED NBEC ORIGINATED

46

VALUE '3' = NBEC RATED/BELL ORIGINATED VALUE '4' = NBEC RATED/ NBEC ORIGINATED VALUE '5' = IC RATED/ IC ORIG VALUE '6' = BELL RATED/ IC ORIG VALUE '7' = NBEC RATED/ IC ORIG VALUE '8' = IC RATED/ BELL ORIG VALUE '9' = IC RATED/ NBEC ORIG INDICATOR-16 327 327 1 1 A COIN PART VALUE '0' = DEFAULT VALUE '1' = COIN PART CHARGE VALUE '2' = INMATE VALUE '3' = MECH CALLING CARD SERVICE VALUE '4' = ADVANCE CALL VALUE '5' = CALL FORWARD VALUE '6' = CHARGE-A-CAL VALUE '7' = CHG-A-CL + VALUE '8' = MAGNETIC C/C INDICATOR-17 328 328 1 1 A REDIRECT/BVA VALUE '0' = DEFAULT VALUE '1' = REDIRECT MSG BVDB NOT ACCESSED VALUE '2' = REDIRECT MSG BVDB VALIDATED VALUE '3' = REDIRECT MSG BVDB FAILED VALIDATION VALUE '4' = BVDB VERIFY VALUE '5' = BVDB FAILED VALIDATION VALUE '6' = BVDB VALIDATION INDETERMINAT VALUE '7' = REDIRECTED MSG BVDB VALIDATION INDETERMINAT VALUE '8' = BVDB NOT ACCESSED INDICATOR-18 329 329 1 1 A MULTIPLE RATE PERIOD/ ATTEMPS VALUE '0 = DEFAULT VALUE '1' = MULTI-RATE PERIOD VALUE '2' = ATTEMPT MESSAGE VALUE '3' = MULTI-RATE

47

PERIOD ATTEMPT MSG INDICATOR-19 330 330 1 1 A LATA IDENTIFIER VALUE '0' = DEFAULT VALUE '1' = INTRA LATA EXCHANGE CARRIER VALUE '2' = INTER LATA INTEREXCHANGE CARRIER VALUE '3' = INTER LATA EXCHANGE CARRIER VALUE '4' = INTER LATA EXCHANGE CARRIER PURCHASED BY INTER EXCHANGE CARRIER VALUE '5' = INTRA LATA INTEREXCHANGE CARRIER VALUE '6' = INTRA LATA EXCHANGE CARRIER PURCHASED BY INTER EXCHANGE CARRIER VALUE '7' = INTRA LATA INTEREXCHANGE CARR PURCHASED BY EXCHANGE CARRIER VALUE '8' = INTER LATA INTEREXCHANGE CARR PURCHASED BY EXCHANGE CARRIER VALUE '9' = NOT DETERMINED INDICATOR-20 331 331 1 1 A FUTURE USE VALUE '0' = DEFAULT TOLL-DETAIL- 332 339 8 8 A SERIAL NUMBER SERIAL-NUMBER (IF APPLICABLE) (REDEFINED) ----------- TOLL-DETAIL- 332 333 2 2 A OPERATOR UNIT OPR-UNIT (IF APPLICABLE) TOLL-DETAIL- 334 339 6 6 A RECORDING POINT ID REC-PT-ID (IF APPLICABLE) TOLL-DETAIL- 340 342 3 3 A BILLING REVENUE ACCOUNT BILL-RAC-RAO CENTER/REVENUE ACCOUNT OFFICE VALUE = 020 TOLL-DETAIL- 343 352 10 10 A CHARGE NPA NNN BILL-NUMBER CHARGE CO NNN CHARGE LINE NNNN TOLL-DETAIL- 353 362 10 10 A STD ABBREVIATION FROM-PLACE FROM PLACE(NON-CDAR) (REDEFINED) ----------- TOLL-DETAIL- 363 364 2 2 A FROM STATE FROM-PLACE-ST (NON-CDAR)

48

TOLL-DETAIL- 353 360 8 8 A CDAR NUMBER CDAR-INFO (IF APPLICABLE) (REDEFINED) SEE INDICATOR 7 ----------- FILLER 361 364 4 4 A FILLER = SPACES TOLL-DETAIL- 353 360 8 8 A SUB-ACCOUNT NUMBER CUSTOMER-DIALED (IF APPLICABLE) -SUB-ACCOUNT-NO SEE INDICATOR 7 FILLER 361 364 4 4 A FILLER = SPACES TOLL-DETAIL- 365 374 10 10 A STD ABBREVIATION TO-PLACE TO PLACE TOLL-DETAIL- 375 376 2 2 A TO STATE TO-PLACE-ST FILLER 370 376 7 7 A FILLER = SPACES TOLL-LIBRARY- 377 378 2 2 A LIBRARY CODE CODE TOLL-SETTLEMENT 379 379 1 1 A SETTLEMENT 0 = DEFAULT 3 = INTRASTATE INDEPENDENT EC 5 = INTRA CANADA OR NON US NANP 6 = LOCAL 8 = INTRASTATE INTRACO 9 = INTRASTATE INTERCO G = INTERSTATE INDEPENDENT EC J = INTERSTATE US/US K = INTERSTATE US/CANAD L = INTERNATIONAL US/NON US NANP M = NOT USED N = US OR CANADA/ INTERNATIONAL OVERSEAS POINT P = INTERNATIONAL/ INTERNATIONAL Q = INTERSTATE US/ ALASKA, HAWAII, PUERTO RICO, VIRGIN ISLANDS R = INTERNATIONAL US/MEXICO TOLL-IX-CODE 380 383 4 4 A IX CARRIER ID FILLER 384 387 4 4 A FILLER (REDEFINED) VALUE = SPACES OCCURRENCES 384 387 4 4 A FOR 42-50-02 ONLY TOLL-DETAIL- 388 397 10 10 A MISC. INDICATORS

49

INDICATORS21-30 21 THRU 30 (REDEFINED) ----------- INDICATOR-21 388 388 1 1 A DIALING METHOD VALUE '0 = DEFAULT VALUE '1' = 1+,0+,OR 00- DIALED CARRIER NOT SUBSCRIBED TO PRESUB. CUST PRESUB TO CARRIER. VALUE '2' = 10XXX DIALED CARRIER NOT SUBSCRIBED TO PRESUB. CUST NOT PRESUB TO CARRIER. VALUE '3' = 950-XXXX DIALED FEATURE GROUP "B" ACCESS VALUE '4' = 1+,0+,OR 00- DIALED CARRIER SUBSCRIBED TO PRESUB. CUST PRESUB TO CARRIER. VALUE '5' = 10XXX DIALED CARRIER SUBSCRIBED TO PRESUB. CUST NOT PRESUB TO CARRIER. VALUE '6' = 10XXX DIALED CARRIER SUBSCRIBED TO PRESUB. CUST PRESUB TO CARRIER. VALUE '7' = 10XXX DIALED CARRIER NOT SUBSCRIBED TO PRESUB. CUST PRESUB TO CARRIER. INDICATOR-22 389 389 1 1 A RECORDING ENTITY VALUE '0' = DEFAULT VALUE '1' = REC AT BELL OPERATING CO VALUE '2' = REC AT NBEC/ (INDEPENDENT) EXCHANGE SWITCH VALUE '3' = REC AT INTEREXCHANG CARRIER SWIT VALUE '4' = REC AT RADIO COMMON CARRIER VALUE '5' = OTHER THAN ABOVE INDICATOR-23 390 390 1 1 A TYPE OF CREDIT CARD VALUE '0' = DEFAULT VALUE '1' = COMMERCIAL CREDIT CARD VALUE '2' = INTEREXCHANG CREDIT CARD VALUE '3' = LOCAL EXCHAN CARRIER CARD VALUE '4' = CARD ISSUER

50

IDENTIFIER CIID (14 DIG VALUE '5' = CCITT CARD INDICATOR-24 391 391 1 1 A SPECIALIZED SERVICE VALUE '0' = DEFAULT VALUE '1' = DUAL PARTY RELAY VALUE '2' = THREE WAY CALLING VALUE '3' = DIRECTORY ASSISTANCE CALL COMPLETION MESSAGE INDICATOR-25 392 392 1 1 A CARRIER SPECIFIC IND (THE VALUE IN THIS FIELD IS SET BY THE CARRIER OWNING THE MESSAGE) VALUE '0' = DEFAULT VALUE '1' = S&E FORMAT VALUE '3' = EASYREACH INDICATOR-26 393 393 1 1 A FUTURE USE VALUE '0' = DEFAULT INDICATOR-27 394 394 1 1 A TAX INDICATOR VALUE '0' = DEFAULT VALUE '1' = EXEMPT FROM FED TAX VALUE '2' = EXEMPT FROM STATE TAX VALUE '3' = EXEMPT FROM FED/ST TAX VALUE '4' = EXEMPT FROM LOCAL TAX VALUE '5' = EXEMPT FROM FED/LOCAL TX VALUE '6' = EXEMPT FROM ST/LOCAL TAX VALUE '7' = EXEMPT FROM FED/ST/LOCAL TAXES VALUE '9' = EXEMPT FROM ALL TAXES INDICATOR-28 395 395 1 1 A FUTURE USE VALUE '0' = DEFAULT INDICATOR-29 396 396 1 1 A OTHER BILLING ENTITY VALUE '0 = DEFAULT VALUE '1' = ALTERNATE CARRIER BILLING ID VALUE '2' = RCC VALUE '3' = ENHANCED SERVICE PROVIDER VALUE '4' = INFORMATION SERVICE PROVIDER

51

INDICATOR-30 397 397 1 1 A SNET USE VALUE 1 = LAND-MOBILE-II LOCAL-CELLULAR VALUE 2 = LAND-MOBILE-II WIDE-CELLULAR VALUE 3 = LAND-MOBILE-II LOCAL-PAGING VALUE 4 = LAND-MOBILE-II WIDE-PAGING VALUE 5 = MOBILE-LAND-I- CELLULAR VALUE 6 = LAND-MOBILE-I- CELLULAR VALUE 7 = LAND-MOBILE-I- PAGING VALUE 8 = MOBILE-LAND W LNP QUERY PREARRANGED VALUE 9 = MOBILE-LAND W LNP QUERY NOT PREARRANGED SCENARIO-1 = 5 SCENARIO-2 = 1 3 SCENARIO-3 = 2 4 SCENARIO-4 = 6 7 CELLULAR = 1 2 5 6 PAGING = 3 4 7 LAND-MOBILE-TYPE-II- WIRELESS = 1 THRU 4 WIRELESS = 1 THRU 7 FILLER 398 405 8 8 A THESE 8 POSITIONS REDEFINED AS WILL BE REDEFINED AS INDICATED BELOW FOLLOWS FOR 01-01-NN’S AND 31-01-NN’S MESSAGE RECORDS WITHOUT AN OCP LSPID 398 401 4 4 A LOCAL SVC ID NO.S FILLER 402 405 4 4 A FILLER FOR 01-01-NN’S AND 31-01-NN’S MESSAGE RECORDS WITH AN OCP FILLER 398 400 3 3 A FILLER USOC 401 405 5 5 A OCP USOC FOR 01-01-62’S AND 31-01-62’S MESSAGE RECORDS

52

DATA-RATE-IND 398 399 2 2 Z ONLY FOR 010162 RECORDS DATA-RATE-INDICATOR VALUE = 05 07 = ISDN VALUE = 06 = SDDS INFO-TRANS-IND 400 402 3 3 A INFO TRANS RATE IND BAND WIDTH 403 405 3 3 A BAND WIDTH FOR 41-01-01’S CREDIT RECORDS LSPID 398 401 4 4 A LOCAL SVC PROVIDER FILLER 402 402 1 1 A FILLER TYPE OF CREDIT 403 403 1 1 A TYPE OF CREEDIT ORIG CAT 404 405 2 2 A ORIG CAT FOR 41-50-01’S AND 42-50-01’S AND 42-50-02’S SPECIAL RECORDS MISC TEXT CODE 398 402 5 5 A MISC TEXT CODE TYPE OF CREDIT 403 403 1 1 A TYPE OF CREEDIT ORIG CAT 404 405 2 2 A ORIG CAT TOLL-IND-11 406 406 1 1 A MISC INDICATOR AIN INDICATOR FOR CAT 96 ONLY DEFAULT = SPACE NOTE: THIS FIELD IS ONLY USED FOR 800 REDIRECT MESSAGES 1 = REDIRECT SETUP MSG ON THESE MESSAGES THE FROM NO. CONTAINS THE VIRTUAL POTS REROUTE ACCESS NO., THE TO PLACE CONTAINS THE ROUTE TO NO., THE BILL NO. FIELD CONTAINS THE VIRTUAL POTS NO. BEING REROUTED AND THE TO NO. FIELD CONTAINS THE 800 NO. TO WHICH THE DESTINATION NO. IS RELATED. 2 = REDIRECT MESSAGE ON THESE MESSAGES THE

53

FROM NO. CONTAINS THE VIRTUAL POTS NO., THE TO PLACE CONTAINS THE ROUTE TO NO., THE BILL NO. FIELD CONTAINS THE VIRTUAL POTS NO. BEING REROUTED AND THE TO NO. FIELD CONTAINS THE 800 NO. TO WHICH THE DESTINATION NO. IS RELATED. 3 = SNET USE AIN-PIN-NUMBER 4 = 500 INTERSTATE 5 = NAT D/A 6 = YELLOWPAGES D/A ORIG-BILL-NO 407 419 13 13 A FOR SPECIAL OCP'S THIS FIELD WILL CONTAIN THE ACTUAL BILL NUMBER FORMAT = NPA,NNX,LN,CC DEFAULT = SPACES SUB-CIC-CODE 420 424 5 5 A SUB CIC CODE SMART-PAGES- 425 429 5 5 A FOR 41-50 AND 42-50 ACCT-NUMBER AND IX = 4661 ONLY INTERNATIONAL 430 434 5 5 A FORMAT $$$Vcc MOBIL TERMINATE DEFAULT = ZEROES SURCHARGE INTERNATIONAL MOBILE TERMINATION SURCHARGE IF APPLICABLE FILLER 435 449 15 15 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

54

RECORD NAME RECORD NUMBER MESSAGE RECORD (ASI MODULE RECORD) 5 60 55 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW MISCELLANEOUS MODULES CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 60 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 55 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES

55

CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA 9033 = COIN COMP 41-50 AND 42-50 RECORDS ONLY 7707 = ASI 41-50 AND 42-50 RECORDS ONLY 4661 = SNET SMARTPAGES 41-50 AND 42-50 RECORDS ONLY FOR ADDITIONAL CODES SEE ADDENDUM CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE CAP-LOCAL-USE 142 150 9 9 A FILLER MODULE-AREA 151 450 A THESE POSITIONS ARE (REDEFINED FOR FOR THE MODULES THAT EACH MODULE) MAY BE ATTACHED TO THE MESSAGE RECORDS THE 5-60-00 FOR THE 41-50-01 42-50-01 AND 42-50-20 (SEE POS 231-236 ON THE 5-60-00 AND POS 325 IND-14 FOR VALUE OF 5 OR 8) NOTE THESE MODULES WILL WILL NOT BE IN MODULE NO ORDER (RANDOM ORDER) AD-MODULE-ID 151 154 4 4 A MODULE 944A ADDRESS MODULE AD-MOD LENGTH 155 157 3 3 Z MODULE LENGTH 154 AD-DATA-SOURCE 158 161 4 4 A DATA SOURCE SPACES = DEFAULT CKL1 = CIRCUIT LOC 1

56

SA = ADDRESS FROM S/O AD-SERVICE-NAME 162 191 30 30 A SERVICE NAME AD-ADDRESS- 192 228 37 37 A ADDRESS LINE 1 LINE-1 AD-ADDRESS- 229 265 37 37 A ADDRESS LINE 2 LINE-2 AD-CITY - 266 302 37 37 A ADDRESS CITY AD-STATE - 303 304 2 2 A ADDRESS STATE FILLER 305 420 116 116 A FILLER VALUE = SPACES ASI-ACCT-NO 421 430 10 10 A ASI ACCOUNT NUMBER NPA NNX LINE FROM 947A G CIRCUIT-NO 431 449 19 19 A CIRCUIT NUMBER FROM 947A G RESERVED 450 450 1 1 A FILLER SYSTEM USE (REDEFINE) LT-MODULE-ID 151 154 4 4 A MODULE 945A LITERAL TEXT MODULE NOTE THERE CAN BE MULTIPLES OF THESE ASI CAN HAVE 3 DISH CAN HAVE 10 LT-MOD LENGTH 155 157 3 3 Z MODULE LENGTH 048 LT-DATA-TYPE 158 161 4 4 A DATA TYPE SPACES = DEFAULT DES = FROM S/O FID DES ENM = EQUIP SERIAL NO IPON = P/O/FROM S/O IPON OLDC = OLD CIRCUIT NO ORD = FROM S/O FID ORD RMKI = FROM S/O FID RMKI $SPD = SPEED INFO FROM TYPE OF USOC VBT = FROM S/O FID VBT VCI = FROM S/O FID VIRTUAL CHANNELID VPI = FROM S/O FID VIRTUAL PATH ID LT-LITERAL-TEXT 162 198 37 37 A LITERAL TEXT FOR BILL FILLER 199 420 222 222 A FILLER VALUE = SPACES ASI-ACCT-NO 421 430 10 10 A ASI ACCOUNT NUMBER NPA NNX LINE FROM 947A G CIRCUIT-NO 431 449 19 19 A CIRCUIT NUMBER FROM 947A G

57

RESERVED 450 450 1 1 A FILLER SYSTEM USE (REDEFINE) IB-MODULE-ID 151 154 4 4 A MODULE 946A INSTALLMENT BILLING IB-MOD LENGTH 155 157 3 3 Z MODULE LENGTH IB-PRINT-IND 158 158 1 1 A PRINT IND N = INFO ONLY Y = PRINT ON CUST BILL IB-CODE 159 161 3 3 A CODE SO = INSTALLMENT BILL ORDER SETUP IF = SO THEN CURRENT AND TOTAL NOS = ZERO MAN = INSTALLMENT BILL MANUAL SETUP BIL = INSTALLMENT BILL BILL DAY RECORD DEL = INSTALLMENT BILL BEING REMOVED DELETED FIN = INSTALLMENT BILL FINAL AMOUNT DUE IB-CURRENT-NO 162 163 2 2 A IB CURRENT INSTALLMENT - NUMBER IB-TOTAL-NO 164 165 2 2 A IB TOTAL NUMBER OF INSTALLMENTS IB-TOTAL-AMOUNT 166 174 9 9 A TOTAL CONTRACT AMOUNT FORMAT S9(7)V99 IB-SERVICE- 175 181 7 7 A SERVICE ORDER NUMBER ORDER FILLER 182 420 239 239 A FILLER VALUE = SPACES ASI-ACCT-NO 421 430 10 10 A ASI ACCOUNT NUMBER NPA NNX LINE FROM 947A G CIRCUIT-NO 431 449 19 19 A CIRCUIT NUMBER FROM 947A G RESERVED 450 450 1 1 A FILLER SYSTEM USE (REDEFINE) IB-MODULE-ID 151 154 4 4 A MODULE 946B INSTALLMENT BILLING IB-MOD LENGTH 155 157 3 3 Z MODULE LENGTH IB-PRINT-IND 158 158 1 1 A PRINT IND N = INFO ONLY

58

Y = PRINT ON CUST BILL IB-CODE 159 161 3 3 A CODE SO = INSTALLMENT BILL ORDER SETUP IF = SO THEN CURRENT AND TOTAL NOS = ZERO MAN = INSTALLMENT BILL MANUAL SETUP BIL = INSTALLMENT BILL BILL DAY RECORD DEL = INSTALLMENT BILL BEING REMOVED DELETED FIN = INSTALLMENT BILL FINAL AMOUNT DUE IB-CURRENT-NO 162 163 2 2 A IB CURRENT INSTALLMENT - NUMBER IB-TOTAL-NO 164 165 2 2 A IB TOTAL NUMBER OF INSTALLMENTS IB-TOTAL-AMOUNT 166 174 9 9 A TOTAL CONTRACT AMOUNT FORMAT S9(7)V99 FILLER 175 181 7 7 A FILLER = SPACES FILLER 182 420 239 239 A FILLER VALUE = SPACES ASI-ACCT-NO 421 430 10 10 A ASI ACCOUNT NUMBER NPA NNX LINE FROM 947A G CIRCUIT-NO 431 449 19 19 A CIRCUIT NUMBER FROM 947A G RESERVED 450 450 1 1 A FILLER SYSTEM USE (REDEFINE) AI-MODULE-ID 151 154 4 4 A MODULE 947A ASI ACCOUNT-INFO AI-MOD LENGTH 155 157 3 3 Z MODULE LENGTH 155 AI-ASI-ACCOUNT- 158 167 10 10 A ASI ACCOUNT NUMBER NUMBER AI-CIRCUIT-NO 168 186 19 19 A ASI CIRCUIT NUMBER AI-STATION-NO 187 191 5 5 A STATION NUMBER AI-CONTRACT-NO 192 195 4 4 A CONTRACT NUMBER AI-CONTRACT- 196 223 28 28 A CUSTOMER CONTRACT NO CUST-NUMBER AI-USOC 224 228 5 5 A USOC AI-RESOLD-IND 229 229 1 1 A RESOLD IND (NOT USED)

59

FILLER 230 420 191 191 A FILLER VALUE = SPACES ASI-ACCT-NO 421 430 10 10 A ASI ACCOUNT NUMBER NPA NNX LINE FROM 947A G CIRCUIT-NO 431 449 19 19 A CIRCUIT NUMBER FROM 947A G RESERVED 450 450 1 1 A FILLER SYSTEM USE (REDEFINE) AI-MODULE-ID 151 154 4 4 A MODULE 947G ASI ACCOUNT-INFO AI-MOD LENGTH 155 157 3 3 Z MODULE LENGTH 155 AI-ASI-ACCOUNT- 158 167 10 10 A ASI ACCOUNT NUMBER NUMBER AI-CIRCUIT-NO 168 186 19 19 A ASI CIRCUIT NUMBER AI-STATION-NO 187 191 5 5 A STATION NUMBER AI-CONTRACT-NO 192 195 4 4 A CONTRACT NUMBER AI-CONTRACT- 196 223 28 28 A CUSTOMER CONTRACT NO CUST-NUMBER AI-USOC 224 228 5 5 A USOC AI-RESOLD-IND 229 229 1 1 A RESOLD IND (NOT USED) (REDEFINED) AI-TYPE-OF 229 229 1 1 A TYPE OF PRODUCT PRODUCT DEFAULT = SPACE 1 = DSL TRANSPORT 2 = NON-DSL TRANSPORT 3 = DSL CPE 4 = NON-DSL CPE 5 = DSL INSTALLATION 6 = NON-DSL INSTALLATION 7 = DSL MAINTENANCE 8 = NON-DSL MAINTENANCE AI-DATA-LINK- 230 238 9 9 A DATA LINK CONNECTOR-ID CONNECTOR-ID AI-DLCI-CIRCUIT 239 265 27 27 A DLCI RELATED CIRCUIT ID ID AI-DISCOUNT- 266 270 5 5 Z DISCOUNT PERCENT PERECENT FORMAT 999V99 AI-TYPE-OF- 271 271 1 1 A TYPE OF DISCOUNT DISCOUNT DEFAULT = SPACE A = ACCOUNT P = PRODUCT

60

AI-TYPE-OF- 272 272 1 1 A TYPE OF DISCOUNT DETAIL DISCOUNT-DETAIL DEFAULT = SPACE B = BILL DAY FULL RECURRING DISCOUNT F = FRACTIONAL PRO-RATED R = DISCOUNT REMOVED FRACTIONAL AI-PRINT-IND 273 273 1 1 A PRINT IND N = NO PRINT INFO ONLY S = SUMMARIZED SURCHARGES SUMAMRIZED BY CREDIT OR DEBIT AND MERGED BY THE FOLLOWING FIELDS SBC BILL NO. ASI ACCOUNT NO. ASI CIRCUIT NO. MESSAGE DATE MESSAGE CAT MESSAGE TEXT CODE DEFAULT = SPACE AI-CIRCUIT-REF- 274 297 24 24 A CIRCUIT REFERENCE/ CARRIER-ID-NO CARRIER ID NO AI-TYPE-OF- 298 298 1 1 A TYPE OF CHARGE CHARGE DEFAULT = SPACE N = NON-RECURRING R = RECURRING S = SURCHARGE IF THIS IS ‘S’ MOVE ‘N’ TO AI-PRINT-IND POSITION 273 AI-ADJUSTMENT 299 299 1 1 A ADJUSTMENT INDICATOR INDICATOR DEFAULT = SPACE A = MISC ADJUSTMENT AI-TYPE-OF- 300 303 4 4 A TYPE OF USOC USOC DEFAULT = SPACE AI-NETWORK- 304 304 1 1 A NETWORK PRODUCT PRODUCT DEFAULT = SPACE D = DSL AI-PRODUCT- 305 305 1 1 A PRODUCT GROUPING GROUPING DEFAULT = SPACE P = PREMIERSERV AKA MANAGED ROUTER S = SCB PREMIERSERV FILLER 306 420 115 115 A FILLER VALUE = SPACES ASI-ACCT-NO 421 430 10 10 A ASI ACCOUNT NUMBER NPA NNX LINE FROM 947A G CIRCUIT-NO 431 449 19 19 A CIRCUIT NUMBER FROM 947A G

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RESERVED 450 450 1 1 A FILLER SYSTEM USE (REDEFINE) PR-MODULE-ID 151 154 4 4 A MODULE 948B POR-RATED SUPPLEMENT PR-MOD LENGTH 155 157 3 3 Z MODULE LENGTH 027 PR-SO-NO 158 164 7 7 A SERVICE ORDER NUMBER PR-FULL-RATE 165 172 8 8 A FULL RATE FORMAT 999999V99 PR-PRO-RATED- 173 177 5 5 A PRO-RATED QUANTITY QUANTITY FORMAT 99999 FILLER 178 420 243 243 A FILLER VALUE = SPACES ASI-ACCT-NO 421 430 10 10 A ASI ACCOUNT NUMBER NPA NNX LINE FROM 947A G CIRCUIT-NO 431 449 19 19 A CIRCUIT NUMBER FROM 947A G RESERVED 450 450 1 1 A FILLER SYSTEM USE (REDEFINE) PR-MODULE-ID 151 154 4 4 A MODULE 948C POR-RATED SUPPLEMENT PR-MOD LENGTH 155 157 3 3 Z MODULE LENGTH 020 PR-FULL-RATE 158 165 8 8 A FULL RATE FORMAT 999999V99 PR-PRO-RATED- 166 170 5 5 A PRO-RATED QUANTITY QUANTITY FORMAT 99999 FILLER 171 420 250 250 A FILLER VALUE = SPACES ASI-ACCT-NO 421 430 10 10 A ASI ACCOUNT NUMBER NPA NNX LINE FROM 947A G CIRCUIT-NO 431 449 19 19 A CIRCUIT NUMBER FROM 947A G RESERVED 450 450 1 1 A FILLER SYSTEM USE (REDEFINE) DT-MODULE-ID 151 154 4 4 A MODULE 949A DATE MODULE DT-MOD LENGTH 155 157 3 3 Z MODULE LENGTH 019 DT-FROM-DATE 158 163 6 6 A FROM DATE YYMMDD DT-THROUGH-DATE 164 169 6 6 A THROUGH DATE YYMMDD FILLER 170 420 251 251 A FILLER

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VALUE = SPACES ASI-ACCT-NO 421 430 10 10 A ASI ACCOUNT NUMBER NPA NNX LINE FROM 947A G CIRCUIT-NO 431 449 19 19 A CIRCUIT NUMBER FROM 947A G RESERVED 450 450 1 1 A FILLER SYSTEM USE

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RECORD NAME RECORD NUMBER OC&C AND MISC DETAIL RECORD 5 65 00 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 65 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES (BTN OF THE END USERS ACCOUNT IF APPLICABLE FOR THIS USOC) CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE

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CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA SEE ADDENDUM FOR ADDITIONAL CODES CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE CAP-LOCAL-USE 142 150 9 9 A FILLER OCC-CATEGORY 151 152 2 2 A OTHER CHARGES AND CREDIT CATEGORY VALUES: 02 = ANNUAL INVENTORY 06 = OUT OF OFFICE CRED SUPPO RT 08 = MISC ACTIVITY SUPPO RT 12 = SVC ORDER ACTIVITY SUPPO RT 14 = DEPOSIT REFUND SUPPO RT 16 = INTEREST ON A DEP 18 = INSTALLMENT BILLNG 20 = RATE CHANGE 22 = FRACTIONAL CHARGE 24 = FRACTIONAL CREDIT 26 = NONRECURRING CHRG 28 = NONRECURRING CRED 30 = GIFT CERTIFICATES 32 = RATE REFUND 34 = INTEREST ON RATE REFUND 36 = LATE PAYMENT CHRG (LPC)

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SUPPO RT 40 = PROMOTIONS & DISCOUNTS SUB-AUTH-NUMBER 153 182 30 30 A CUSTOMER PROVIDED (P/O) AUTHORIZATION NUMBER SO-NUMBER 183 197 15 15 A UNIQUE SERVICE ORDER NUMBER SO-COMPLETION- 198 203 6 6 Z SERVICE ORDER COMPLETION DATE FORMAT = YYMMDD USOC 204 208 5 5 A USOC SPACES when no USOC present SPECIAL-PRICING 209 211 3 3 A FILLER PLAN VALUE = SPACES LOCAL-USE 212 213 2 2 A FILLER ACTION-CODE-IND 214 214 1 1 A ACTION CODE INDICATOR VALUES: A = One Time Charge(s) B = Service(s) Removed

C = Service(s) Removed Minimum Billing Applies

D = Service(s) Disconnected

E = Service(s) Disconnected Minimum Billing Applies

F = Minimum Billing Applies

G = Service(s) Established

H = Service(s) Added

I = Service(s) Changed

J = Temporary Suspension

K = Change in Concession Service

L = Change in Bill Date M = Service Interruption QUANTITY 215 219 5 5 Z QUANTITY DEFAULT = ZEROES PIC 9(5) FULL-AMT 220 230 11 11 Z MONTHLY RATE DEFAULT = ZEROES PIC S9(9)V99 BILLED-AMT- 231 242 12 12 Z AMOUNT BILLED ON THIS CURRENT SERVICE ORDER PIC S9(9)V999

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TAR-CODE 243 250 8 8 A FILLER VALUE = SPACES NATIONAL-USE 251 255 5 5 A FILLER LOCAL-USE 256 261 6 6 A FILLER SECONDARY-LOC- 262 264 3 3 A FILLER CODE VALUE = SPACES ARREARS-IND 265 265 1 1 A FILLER VALUE = SPACES RECURRING-IND 266 266 1 1 A FILLER VALUE = SPACES NUMBER-OF- 267 269 3 3 Z FILLER CONTRACT-MONTHS VALUE = ZEROES CONTRACT-DATE 270 275 6 6 Z FILLER VALUE = ZEROES CONTRACT-NUMBER 276 285 10 10 A FILLER VALUE = SPACES INSTALLMENT- 286 291 6 6 A FILLER BILLING-PLAN- DEFAULT = SPACES TYPE INSTALLMENT- 292 293 2 2 A TOTAL # OF INSTALLMENTS BILLING-MONTHS DEFAULT = SPACES INSTALLMENT- 294 295 2 2 Z # OF LAST INSTALLMENT BILLING-NUMBER DEFAULT = ZEROES INSTALLMENT- 296 306 11 11 Z BAL DUE FOR INSTALLMENTS BILLING-BALANCE DEFAULT = ZEROES PIC S9(9)V99 TAX-STATUS-IND- 307 307 1 1 A FEDERAL TAX STATUS FED INDICATOR VALUES: 0 - TAXABLE 1 - NON-TAXABLE 2 - MULTIPLE TAXES APPLY TAX-STATUS-IND- 308 308 1 1 A STATE TAX STATUS STATE INDICATOR VALUES: 0 - TAXABLE 1 - NON-TAXABLE 2 - SALES AND USE TAXABLE TAX-STATUS-IND- 309 309 1 1 A COUNTY TAX STATUS COUNTY INDICATOR VALUE = SPACE 0 - TAXABLE 1 - NON-TAXABLE

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6-9 - LOCAL USE TAX-STATUS-IND- 310 310 1 1 A CITY TAX STATUS CITY INDICATOR VALUE = SPACE 0 - TAXABLE 1 - NON-TAXABLE 6-9 - LOCAL USE TAX-STATUS-IND- 311 311 1 1 A MISC-1 TAX STATUS MISC-1 INDICATOR VALUE = SPACE 0 - TAXABLE 1 - NON-TAXABLE 6-9 - LOCAL USE TAX-STATUS-IND- 312 312 1 1 A MISC-2 TAX STATUS MISC-2 INDICATOR VALUE = SPACE 0 - TAXABLE 1 - NON-TAXABLE 6-9 - LOCAL USE FROM-DATE 313 318 6 6 Z START DATE OF EFFECTIVE PERIOD FOR THIS ITEM FORMAT = YYMMDD THRU-DATE 319 324 6 6 Z END DATE OF EFFECTIVE PERIOD FOR THIS ITEM FORMAT = YYMMDD NUMBER-EFFECT- 325 327 3 3 Z FILLER DAYS VALUE = ZEROES NUMBER-MAINT- 328 329 2 2 Z FILLER DAYS VALUE = ZEROES NUMBER-MAINT- 330 331 2 2 Z FILLER HOURS VALUE = ZEROES NUMBER-MAINT- 332 333 2 2 Z FILLER INCREMENTS VALUE = ZEROES KEY-SYSTEM-NO 334 338 5 5 A FILLER VALUE = SPACES CTX-LOCATION 339 343 5 5 A FILLER VALUE = SPACES MAIN-EQUIP-TYPE 344 344 1 1 A FILLER VALUE = SPACES THESE 0 - COMMON EQUIPMENT CODES 1 - MAIN LINE OR TRUNK ARE AND ASSOCIATED NOT EQUIPMENT USED 2 - ADDITIONAL TRUNK AND ASSOCIATED EQUIPMENT ON SWITCHBOARD 3 - ADDITIONAL LINE AND ASSOCIATED EQUIPMENT ON

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KEY SYSTEM 4 - CIRCUIT AND EQUIPMENT 5 - PBX, CENTREX OR INTERCOM LINE AND ASSOCIATED EQUIPMENT 6 - KEY SYSTEM AND EQUIPMENT 7 - ACCOUNT FEATURES 8 - 800 SERVICE 9 - WATS SERVICE LINE-STA-ID 345 386 42 42 A CKT # DEFAULT = SPACES STATION-NUMBER 387 396 10 10 A NPA NXX LINE DEFAULT = SPACES SWITCHBOARD 397 398 2 2 A FILLER VALUE = SPACES DPA-CIRCUT-LOC- 399 403 5 5 A FILLER CODE VALUE = SPACES CHARGE-DESC- 404 406 3 3 A CODE FOR OC&C CHARGE CODE - OCC CODE IF APPLICABLE DEFAULT = SPACES PHRASE-CODE 407 410 4 4 A CODE FOR OC&C PHRASE OCC PRINTED ON BILL LEVEL-CODE 411 411 1 1 A FILLER DEFAULT = SPACES VALUE = 0 ACCOUNT DATA VALUE = 1 LINE DATA VALUE = 2 SUPPORT INFO VALUE = 3 INDEPEND'T DET VALUE = 4 USOC DETAIL SUPPO RT VALUE = 5 FRAC USOC DET VALUE = 6 CHARGE DETAIL VALUE = 7 CHARGE SUMMARY NATIONAL USE 412 436 25 25 A FILLER LOCAL USE 437 449 13 13 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

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RECORD NAME RECORD NUMBER OC&C MISC DETAIL PHRASE/TEXT RECORD 5 65 20 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 65 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 20 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES (BTN OF THE END USERS ACCOUNT IF APPLICABLE FOR THIS USOC) CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER

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SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA SEE ADDENDUM FOR ADDITIONAL CODES CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE CAP-LOCAL-USE 142 150 9 9 A FILLER TEXT-LINE-NO 151 153 3 3 Z FILLER = ZEROES TEXT-NO-TEXT-LN 154 156 3 3 Z FILLER = ZEROES TEXT-1 157 266 110 110 A TEXT INFORMATION TEXT-2 267 376 110 110 A USED AS FOLLOWS CKTID 267 296 30 30 A CIRCUIT NUMBER (REDEFINED) IF CHARGE IS FOR CIRCUT ----------- STATION-NUMBER 267 276 10 10 A WATS/800 NUMBER IF APPLICABLE DEFAULT = SPACES FILLER 277 296 20 20 A FILLER = SPACES FILLER 297 376 80 80 A FILLER = SPACES NATIONAL USE 377 426 50 50 A USED AS FOLLOWS (REDEFINED) -----------

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TEXT-TYPE 377 377 1 1 A TYPE OF TEXT RECORD VALUES: CKL-TEXT = C DPA-TEXT = D DES-TEXT = E CFA-TEXT = F HTG-TEXT = H DIV-TEXT = I LOC-TEXT = L TRM-TEXT = M IOM-TEXT = O PHRASE-TEXT = P N/A RMKR-TEXT = R SPA-TEXT = S N/A CKT-DES-TEXT = T IX-TEXT = X ZIWC-TEXT = Z FILLER 378 426 49 49 A FILLER LOCAL USE 427 450 24 24 A FILLER (REDEFINED) ----------- TEXT-NO 427 429 3 3 A TEXT NUMBER (DEPENDENT ON TEXT TYPE- E.G. TEXT TYPE DATA ---- -------------- C CIRCUIT LEG (A) D DPA NUMBER (N) H HUNTING NUMBER(N) M SERVICE CODE (A) P PHRASE CODE (N) R REMARK NUMBER (N) S SPA NUMBER (N) FILLER 430 449 20 20 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

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RECORD NAME RECORD NUMBER BILL VERIFICATION RECORDS (SVC&EQUIP) 5 70 00 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 70 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES (BTN OF THE END USERS ACCOUNT IF APPLICABLE FOR THIS USOC) CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER

73

SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA SEE ADDENDUM FOR ADDITIONAL CODES CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE CAP-LOCAL-USE 142 145 4 4 A FILLER AECN 146 149 4 4 A AECN SNET USE AECN W R 150 150 1 1 A R = RETAIL W = WHOLESALE SNET USE EFFECTIVE-DATE 151 156 6 6 Z FILLER VALUE = ZEROES CLSVC 157 161 5 5 A ACCOUNT CLASS OF SERVICE USOC 162 166 5 5 A UNIVERSAL SERVICE ORDER CODE FOR SERVICE OR EQUIPMENT ITEM SPECIAL-PRICING 167 169 3 3 A FILLER PLAN NATIONAL-USE 170 171 2 2 A FILLER ACTIVITY-IND 172 172 1 1 A FILLER = SPACES

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QUANTITY 173 177 5 5 Z NUMBER OF LIKE USOC ITEMS USOC-RATE- 178 188 11 11 Z CURRENT RATE PER USOC CURRENT ITEM PIC S9(9)V99 USOC-AMT- 189 199 11 11 Z TOTAL AMOUNT CHARGED FOR CURRENT THE QUANTITY OF LIKE USOCS PIC S9(9)V99 SERVICE- 200 202 3 3 A SERVICE TERMINATION TERMINATION TAR-CODE 203 210 8 8 A FILLER = SPACES USOC-AMT-OLD 211 221 11 11 Z FILLER PIC S9(9)V99 VARIABLE-RATE- 222 222 1 1 A VARIABLE RATE INDICATOR IND VALUES: 0 - NO VARIABLE RATE APPLIES 1 - VARIABLE RATE APPLIES 2 - EXCHANGE RATE APPLIES 3 - MILEAGE 4 - MANUAL 5 - SPECIAL BILLING ARRANGEMENTS CARR-ACCESS- 223 223 1 1 A FILLER LINE-CHG-IND VALUE = SPACES NO-CONTRACT-MOS 224 226 3 3 A USED AS FOLLOWS (REDEFINED) ----------- TIER-IND 224 224 1 1 A TWO-TIER INDICATOR VALUES: 0 - TWO-TIER NOT AVAILABLE 1 - TWO-TIER AVAILABLE PRICING-PLAN 225 226 2 2 A TOTAL MONTHS FOR CONTRACT CONTRACT-DATE 227 232 6 6 Z EFFECTIVE DATE FOR CONTRACT FORMAT = YYMMDD CONTRACT-NUMBER 233 242 10 10 A LOCAL CONTRACT NUMBER TAX-STATUS-IND- 243 243 1 1 A FEDERAL TAX STATUS FED INDICATOR VALUES: 0 - TAXABLE 1 - NON-TAXABLE 2 - MULTIPLE TAXES APPLY

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TAX-STATUS-IND- 244 244 1 1 A STATE TAX STATUS STATE INDICATOR VALUES: 0 - TAXABLE 1 - NON-TAXABLE 2 - SALES AND USE TAXABLE TAX-STATUS-IND- 245 245 1 1 A COUNTY TAX STATUS COUNTY INDICATOR VALUE = SPACE 0 - TAXABLE 1 - NON-TAXABLE 6-9 - LOCAL USE TAX-STATUS-IND- 246 246 1 1 A CITY TAX STATUS CITY INDICATOR VALUE = SPACE 0 - TAXABLE 1 - NON-TAXABLE 6-9 - LOCAL USE TAX-STATUS-IND- 247 247 1 1 A MISC-1 TAX STATUS MISC-1 INDICATOR VALUE = SPACE 0 - TAXABLE 1 - NON-TAXABLE 6-9 - LOCAL USE TAX-STATUS-IND- 248 248 1 1 A MISC-2 TAX STATUS MISC-2 INDICATOR VALUE = SPACE 0 - TAXABLE 1 - NON-TAXABLE 6-9 - LOCAL USE JAC 249 252 4 4 A SNET USE JAC FILLER 253 253 1 1 A FILLER CTX-LOCATION 254 258 5 5 A CENTREX LOCATION MAIN-EQUIP-TYPE 259 259 1 1 A TYPE OF EQUIPMENT OR SERVICE VALUES: 0 - COMMON EQUIPMENT (USE BILL NUMBER) (ACCOUNT NUMBER) 1 - MAIN LINE OR TRUNK AND ASSOCIATED EQUIPMENT (USE LINE-STATION- IND POS 336-345) 2 - ADDITIONAL TRUNK AND ASSOCIATED EQUIPMENT ON SWITCHBOARD (THIS CODE NOT USED) 3 - ADDITIONAL LINE AND ASSOCIATED EQUIPMENT ON KEY SYSTEM

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(USE LINE-STATION- IND POS 336-345) 4 - CIRCUIT AND EQUIPMENT (USE CIRCUIT-NO. POS 260-304) 5 - PBX, CENTREX OR INTERCOM LINE AND ASSOCIATED EQUIPMENT (USE LINE-STATION- IND POS 336-345) 6 - KEY SYSTEM AND EQUIPMENT (USE LINE-STATION- IND POS 336-345) 7 - ACCOUNT FEATURES (THIS CODE NOT USED) 8 - 800 SERVICE (USE LINE/STA ID POS 260-304) 9 - WATS SERVICE (USE LINE/STA ID POS 260-304) CIRCUT-NUMBER- LINE/STATION ID 260 304 45 45 A CIRCUIT NUMBER IF THE RECORDS ARE FOR WATS/800 THIS FIELD WILL CONTAIN THE WATS/800 LINE NUMBER FORMATTED AS NPA,NXX,LINE,FILLER STATION NUMBER 305 314 10 10 A STATION NUMBER NPA (3) PREFIX (3) LINE (4) SWITCHBOARD 315 316 2 2 A SYSTEM NUMBER LOCAL-EXTENSION 317 319 3 3 A FILLER VALUE = SPACES RAO 320 322 3 3 Z REGIONAL ACCOUNTING OFFICE VALUE 020 DPA/SPA/ 323 327 5 5 Z DIFFERENT/SAME PREMISE CIRCUIT LOC ADDRESS NUMBER DPA/SPA NO (3) FILLER (2) REFERENCE-CODE 328 329 2 2 A REFERENCE NUMBER EXPLANATION 330 412 83 83 A USED AS FOLLOWS (REDEFINED) FILLER 330 334 5 5 A DA-SPA-IND 335 335 1 1 A LINE-STA-IND 336 345 10 10 Z NPA/LINE/STATION NUMBER

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LINE-STAT-TYPE 346 346 1 1 Z 1 = TELEPHONE NO 2 = CIRCUIT NUMBER TYPE-OF-CIRCUIT 347 347 1 1 Z 1 = CKT TYPE 2 = CLT TYPE 3 = CLS TYPE FILLER 348 407 60 60 A CKL-NO 408 410 3 3 A CIRCUIT LEG NO. CKL-IND 411 411 1 1 A CIRCUIT LEG IND BTO-TYPE 412 412 1 1 Z BILL TO OTHER 0 = DEFAULT 1 = BILL TO OTHER ACCT BTO TYPE 2 = BILL TO THIS ACCT BF TYPE WHEN BTO-TYPE = 1 THE SVC/EQUIP IS ZERO CHGD IE. SHOWN UNDER THIS ACCOUNT BUT BILLED UNDER ANOTHER ACCOUNT SECONDARY LOC 413 415 3 3 Z CKT-DEST 416 418 3 3 A CIRCUIT DESTINATION TBE 419 419 1 1 A TOLL BILLING EXCEPTION CNI 420 421 2 2 A CONTRACT NUMBER IDENTIFICATION NATIONAL-USE 422 439 18 18 A FILLER LOCAL USE 440 449 10 10 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

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RECORD NAME RECORD NUMBER BILL VERIFICATION DPA/TEXT RECORDS 5 70 20 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 70 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 20 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES

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CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA SEE ADDENDUM FOR ADDITIONAL CODES CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE CAP-LOCAL-USE 142 150 9 9 A FILLER TEXT-LINE-NO 151 153 3 3 Z FILLER = ZEROES TOT-NO-TEXT-LN 154 156 3 3 Z FILLER = ZEROES TEXT-1 157 266 110 110 A TEXT INFORMATION TEXT-2 267 376 110 110 A USED AS FOLLOWS (REDEFINED) ----------- CKTID 267 296 30 30 A CIRCUIT NUMBER (REDEFINED) ----------- STATION-NUMBER 267 276 10 10 A WATS/800 NUMBER IF APPLICABLE DEFAULT = SPACES FILLER 277 296 20 20 A FILLER = SPACES FILLER 297 376 80 80 A FILLER = SPACES TEXT-TYPE 377 377 1 1 A TYPE OF TEXT RECORD VALUES: CKL-TEXT = C DPA-TEXT = D

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DES-TEXT = E CFA-TEXT = F HTG-TEXT = H DIV-TEXT = I LOC-TEXT = L TRM-TEXT = M IOM-TEXT = O PHRASE-TEXT = P N/A RMKR-TEXT = R SPA-TEXT = S N/A CKT-DES-TEXT = T IX-TEXT = X ZIWC-TEXT = Z FILLER 378 426 49 49 A FILLER LOCAL USE 427 450 24 24 A FILLER (REDEFINED) ----------- TEXT-NO 427 429 3 3 A VALUE = SPACES FILLER 430 449 20 20 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

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RECORD NAME RECORD NUMBER BILLING DETL FILE LOCAL USE RECORD 5 95 00 TD = 100 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE SNET AMERICA - DISTANCE PLAN BASIC ---- 99 51 70 CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 95 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES

82

CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA FOR ADDITIONAL CODES SEE ADDENDUM CAP-ASSOCIATED- 86 89 4 4 A FILLER CHARGE-CODE VALUE = ZEROES CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 150 10 10 A FILLER TYPE-DATA 151 153 3 3 A VALUE = 100 CAT 154 155 2 2 Z VALUE 99 GRP 156 157 2 2 Z VALUE 51 RT 158 159 2 2 Z VALUE 70 USOC 160 164 5 5 A OCP USOC MESSAGES-TOTAL 165 173 9 9 Z PIC S9(9) MINUTES-TOTAL 174 182 9 9 Z PIC S9(9) SECONDS-TOTAL 183 185 3 3 Z PIC S9(3) TOTAL-AMOUNT- 186 196 11 11 Z PIC S9(9)V9(2) PLAN-ELIGIBLE VOLUME-DISCOUNT DISCOUNT- 197 199 3 3 Z PIC SV9(3) PERCENT CHARGE-BEFORE- 200 210 11 11 Z PIC S9(9)V9(2) DISCOUNT CHARGE- 211 221 11 11 Z PIC S9(9)V9(2)

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DISCOUNTED MATR-INFO TOTAL-MESSAGES 222 230 9 9 Z PIC S9(9) TOTAL-TIME- 231 243 13 13 Z PIC S9(11)V9(2) USED MATR-RATE-PER- 244 246 3 3 Z PIC SV9(3) MINUTE MINUTES-FOR- 247 255 9 9 Z PIC S9(7)V9(2) MATR-SURCHARGE MATR-CHARGE 256 264 9 9 Z PIC S9(7)V9(2) ------------ 265 271 7 7 Z PIC S9(5)V9(2) ST-TAX-AMT- FOR-MATR ------------ 272 273 2 2 A STATE ABREV TAXABLE-ST- ABREVIATION ------------ 274 274 1 1 A STATE TAX EXEMPT ST-TAX-EXEMPT IND 0 = DEFAULT IND 1 = EXEMPT ------------ 275 285 11 11 Z PIC S9(9)V9(2) TOTAL-MULTIP- OCP-CHARGES MULTI-LOCATION- VOLUME-DISCOUNT DISCOUNT-PCT 286 288 3 3 Z PIC SV9(3) ELIGIBLE- 289 299 11 11 Z PIC S9(9)V9(2) AGGREGATE-VOL CHARGE-DISC- 300 310 11 11 Z PIC S9(9)V9(2) MULTI-LOC MATR-AGGREGATE 311 319 9 9 Z PIC S9(9) MESSAGES MATR-AGGREGATE 320 332 13 13 Z PIC S9(11)V9(2) TIME-USED MATR-RATE-PER- 333 335 3 3 Z PIC SV9(3) MINUTE MINUTES-FOR- 336 344 9 9 Z PIC S9(7)V9(2) MATR-SURCHARGE MATR-CHARGE- 345 353 9 9 Z PIC S9(7)V9(2) MULTI-LOC AGGREGATE- MESSAGES-TOTAL 354 362 9 9 Z PIC S9(9) AGGREGATE-

84

MINUTES-TOTAL 363 371 9 9 Z PIC S9(9) AGGREGATE- SECONDS-TOTAL 372 374 3 3 Z PIC S9(3) ML-BL-PCT 375 381 7 7 Z PIC S9(3)V9(4) FILLER 382 449 68 68 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

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RECORD NAME RECORD NUMBER BILLING DETL FILE LOCAL USE RECORD 5 95 00 TD = 120 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE SNET OMNI SAVER AUTOMATIC VOLUME DISCOUNT RECO RD - 99 51 80 CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 95 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER

86

NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA FOR ADDITIONAL CODES SEE ADDENDUM CAP-ASSOCIATED- 86 89 4 4 A FILLER CHARGE-CODE VALUE = ZEROES CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 150 10 10 A FILLER TYPE-DATA 151 153 3 3 A VALUE = 120 CAT 154 155 2 2 Z VALUE 99 GRP 156 157 2 2 Z VALUE 51 RT 158 159 2 2 Z VALUE 80 USOC 160 164 5 5 A OCP USOC DISCOUNT-LEVELS (8 SETS) SET 1 AMOUNT-ELIGIBLE 165 175 11 11 Z PIC 9(9)V9(2) DISCOUNT- 176 178 3 3 Z PIC V9(3) PERCENT CREDIT-AMOUNT 179 189 11 11 Z PIC 9(9)V9(2) SET 2 AMOUNT-ELIGIBLE 190 200 11 11 Z PIC 9(9)V9(2) DISCOUNT- 201 203 3 3 Z PIC V9(3) PERCENT CREDIT-AMOUNT 204 214 11 11 Z PIC 9(9)V9(2)

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SET 3 AMOUNT-ELIGIBLE 215 225 11 11 Z PIC 9(9)V9(2) DISCOUNT- 226 228 3 3 Z PIC V9(3) PERCENT CREDIT-AMOUNT 229 239 11 11 Z PIC 9(9)V9(2) SET 4 AMOUNT-ELIGIBLE 240 250 11 11 Z PIC 9(9)V9(2) DISCOUNT- 251 253 3 3 Z PIC V9(3) PERCENT CREDIT-AMOUNT 254 264 11 11 Z PIC 9(9)V9(2) SET 5 AMOUNT-ELIGIBLE 265 275 11 11 Z PIC 9(9)V9(2) DISCOUNT- 276 278 3 3 Z PIC V9(3) PERCENT CREDIT-AMOUNT 279 289 11 11 Z PIC 9(9)V9(2) SET 6 AMOUNT-ELIGIBLE 290 300 11 11 Z PIC 9(9)V9(2) DISCOUNT- 301 303 3 3 Z PIC V9(3) PERCENT CREDIT-AMOUNT 304 314 11 11 Z PIC 9(9)V9(2) SET 7 AMOUNT-ELIGIBLE 315 325 11 11 Z PIC 9(9)V9(2) DISCOUNT- 326 328 3 3 Z PIC V9(3) PERCENT CREDIT-AMOUNT 329 339 11 11 Z PIC 9(9)V9(2) SET 8 AMOUNT-ELIGIBLE 340 350 11 11 Z PIC 9(9)V9(2) DISCOUNT- 351 353 3 3 Z PIC V9(3) PERCENT CREDIT-AMOUNT 354 364 11 11 Z PIC 9(9)V9(2) CHARGE-BEFORE- 365 375 11 11 Z PIC 9(9)V9(2) DISCOUNT CREDIT-TOTAL 376 386 11 11 Z PIC 9(9)V9(2) PRE-DISC-OCP- 387 397 11 11 Z S9(9)V9(2) TOTAL-CHARGE FILLER 398 449 52 52 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

88

RECORD NAME RECORD NUMBER BILLING DETL FILE LOCAL USE RECORD 5 95 00 TD = 260 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE PAYPHONE SERVICE PROVIDER SUMMARY RECORDS ---- ---- 99 51 50 CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 95 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER

89

NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA SEE ADDENDUM FOR ADDITIONAL CODES CAP-ASSOCIATED- 86 89 4 4 A FILLER CHARGE-CODE VALUE = ZEROES CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE CAP-LOCAL-USE 142 150 9 9 A FILLER TYPE-DATA 151 153 3 3 A VALUE = 260 FILLER 154 157 4 4 A FILLER COUNTRY-NAME 158 169 12 12 A COUNTRY NAME FOR INTERNATIONAL MESSAGES RATING-CODE 170 177 8 8 A RATING CODE SEE BELOW FOR THESE CODES BUCKET-MSGS 178 188 11 11 Z MESSAGE COUNT FORMAT S9(11) BUCKET-MINS 189 199 11 11 Z MINUTE COUNT FORMAT S9(11) BUCKET-RATE 200 206 7 7 Z RATE FORMAT S9(2)V9(5) BUCKET-AMOUNT 207 217 11 11 Z CHARGE AMOUNT FORMAT S9(9)V9(2) FILLER 218 449 232 232 A FILLER

90

RESERVED 450 450 1 1 A FILLER SYSTEM USE THIS RECORD WILL BE REPLICATED AS MANY TIMES AS THE FOLLOWING RATE CODES ARE USED. (ONE RECORD FOR EACH APPLICABLE RATE CODE). ADDITIONALLY THERE WILL BE A RECORD FOR EACH INTERNATIONAL COUNTRY FOLLOWING ARE THE CODES. ----- ID CODES -------- DIGIT 1&2 USAGE TYPE MINUT E TD = 1 + INTRA TOLL IM = INTERNATIONAL MOBIL TERMINATION SURCHARGE BV = BUSY LINE VERIFY BI = BUSY LINE INTERRUPT DA = DIRECTORY ASSIST DC = DA CALL COMP DIGIT 3 JURISTDICTION L = LOCAL S = INTRASTATE I = INTERSTATE N = INTERNATIONAL 0 = NOT APPLICABLE DIGIT 4 RATE CHANGE IND 0 = NO RATE CHANGE 1 = 1ST RATE CHANGE 2 = 2ND RATE CHANGE DIGIT 5 BUS/RES B = BUSINESS R = RESIDENCE C = COIN 0 = DEFAULT S = SWITCHED ACCESS LINE USAGE D = DEDICATED DIGITAL ACCESS LINE USAGE DIGIT 6 TIME D = DAY E = EVENING N = NIGHT P = PEAK O = OFF-PEAK W = WEEKEND H = HOLIDAY M = PROMOTIONAL 0 = DEFAULT DIGIT 7&8 NOT USED 00 = DEFAULT

91

RECORD NAME RECORD NUMBER BILLING DETL FILE LOCAL USE RECORD 5 95 00 TD = 270 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE WHOLESALE BILLING SUMMARY RECORDS --------- 99 51 49 CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 95 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES

92

CAP-BILL-PAGE- 64 69 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A INTER EXCHANGE CARRIER IDENTIFICATION CODE 0SN0 = SNET 0SS0 = SNET SYSTEMS 0763 = SNET AMERICA FOR ADDITIONAL CODES SEE ADDENDUM CAP-ASSOCIATED- 86 89 4 4 A FILLER CHARGE-CODE VALUE = ZEROES CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT FILLER 126 132 7 7 A FILLER RATING-CODE 133 140 8 8 A RATING ID CODE (SEE BELOW FOR CODES) CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE RATING DATE 142 149 8 8 A RATE CASE DATE YYYYMMDD SNET USE FILLER 150 150 1 1 A FILLER TYPE-DATA 151 153 3 3 A VALUE = 270 THIS RECORD WILL BE REPLICATED AS MANY TIMES AS THE FOLLOWING RATE CODES ARE USED. (ONE RECORD FOR EACH APPLICABLE RATE CODE). THIS RECORD WILL BE FOR THE DATA-TAPER RATES A RECORD WILL BE CREATED FOR EACH TAPER FOLLOWING ARE THE CODES. ----- ID CODES --------

93

DIGIT 1&2 USAGE TYPE MINUT E TD = 1+ INTRA TOLL TA = 1+ INTRA TOLL ATTEMPT MINUT E TM = 0_ INTRA TOLL MINUT E LD = LOCAL DDD FLAT MINUT E TC = 1+/0+ CLEC CALL PL LA = LOCAL DDD FLAT ATTEMPT LU = LOCAL UNE USAGE PR = PERSON SURCHARGE BR = BTT SURCHARGE CR = CALLING CARD SURCHARGE OR = COLLECT SURCHARGE TR = TIME & CHARGES SURCHARGE DC = DACC DA = DA BV = BUSY LINE VERIFY BI = BUSY LINE INTERRUPT AT = OPH ATTEMPT TOLL AL = OPH ATTEMPT LOCAL SC = OPH SERVICE CHG SR = OPH STAT SP SURCHG ST = CALL TRACE SA = CALL AGAIN SM = MISSED CALL DIAL US = USIS MEASURED SVC MINUT E PM = PERMINUTE MEAS SVC MINUT E GW = GENERIC WIRELESS 6D = 611 REPAIR SVC DDD 6M = 611 REPAIR SVC 0- 8D = 811 CUST SVC DDD 8M = 811 CUST SVC 0- 3W = 3 WAY CALLING AC = AUTO COLLECTS IW = 800 CUSTOMLINKG DATA TAPE R PI = ISDN PACKET DATA TAPE R PS = SIEMAN (CONNNET) PACKET (REG ONLY) DATA TAPE R PD = SEIMAN (CONNNET) PACKET (DE-REG) SL = ISDN SWITCHED LOCAL DATA IU = ISDN UNE LOCAL DATA USAGE DL = SDDS LOCAL DATA DIGIT 3 JURISTDICTION L = LOCAL S = INTRASTATE I = INTERSTATE N = INTERNATIONAL 0 = NOT APPLICABLE DIGIT 4 RATE CHANGE IND 0 = NO RATE CHANGE 1 = 1ST RATE CHANGE 2 = 2ND RATE CHANGE DIGIT 5 BUS/RES B = BUSINESS C = COIN

94

R = RESIDENCE 0 = DEFAULT S = SWITCHED ACCESS LINE USAGE D = DEDICATED DIGITAL ACCESS LINE USAGE DIGIT 6 TIME D = DAY E = EVENING N = NIGHT P = PEAK O = OFF-PEAK W = WEEKEND H = HOLIDAY M = PROMOTIONAL 0 = DEFAULT DIGIT 7&8 NOT USED 00 = DEFAULT VOICE-INFO 154 193 40 40 (REDEFINE) BUCKET-MSGS 154 164 11 11 Z MESSAGE COUNT FORMAT 9(11) BUCKET-MINS 165 175 11 11 Z MINUTE COUNT FORMAT 9(11) BUCKET-RATE 176 182 7 7 Z RATE FORMAT 9(2)V9(5) BUCKET-AMOUNT 183 193 11 11 Z CHARGE AMOUNT FORMAT 9(9)V9(2) DATA-TAPER 154 204 51 51 (REDEFINE) BUCKET-RANGE- 154 164 11 11 Z PACKET RANGE START START FORMAT 9(11) DEFAULT = ZEROES BUCKET-RANGE- 165 175 11 11 Z PACKET RANGE END END FORMAT 9(11) BUCKET- 176 186 11 11 Z KILOSEGMENT COUNT KILOSEGMENTS FORMAT 9(11) BUCKET-RATE 187 193 7 7 Z RATE FORMAT 9(2)V9(5) BUCKET-AMOUNT 194 204 11 11 Z CHARGE AMOUNT FORMAT 9(9)V9(2) FILLER 205 449 245 245 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

95

RECORD NAME RECORD NUMBER BILLING DETL TEXT CODE/DESCRIPTION 5 95 90 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 95 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 90 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER

96

NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-CARRIER- 82 85 4 4 A CARRIER CODE CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE CAP-LOCAL-USE 142 150 9 9 A FILLER TEXT-CODE 151 155 5 5 A CARRIER PROVIDED TEXT CODE THIS CODE CAN BE FOUND 5-60-00 RECORDS EMI TYPES 41-50-XX AND 42-50-XX EFFECTIVE DATE 156 163 8 8 A YYYYMMDD EXPIRATION DATE 164 171 8 8 A YYYYMMDD CHARGE TYPE 172 172 1 1 A R = RECURRING N = NON RECURRING TEXT- 173 247 65 65 A TEXT DECSRIPTION DESCRIPTION FILLER 248 449 202 202 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

97

RECORD NAME RECORD NUMBER BILLING DETL USOC TEXT DESCRIPTION 5 97 00 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 97 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER

98

NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A FILLER = SPACES CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 141 1 1 A ABEC VS CARRIER SNET USE CAP-LOCAL-USE 142 149 8 8 A FILLER RETAIL- 150 150 1 1 A R = RETAIL/ILEC WHOLESALE-IND W = WHOLESALE/CLEC USOC 151 155 5 5 A SNET USOC (UNIVERSAL SERVICE ORDER CODE) THIS FIELD IS DEFINED AS 5 POSITIONS THE FIRST 3 POSITIONS WILL ALWAYS BE FILLED IN, THE LAST 2 POSITIONS COULD BE BLANK OR FILLED IN. IF EITHER POSITION CONTAINS A DASH (-) THEN THAT CHARACTER IS USED AS A WILD CARD AND CAN BE ANY VALUE USOC- 156 228 73 73 A USOC DESCRIPTION DESCRIPTION FILLER 229 449 221 221 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

99

RECORD NAME RECORD NUMBER BILLING DETL CALL PLAN TEXT DESCRIPT 5 97 10 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 97 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 10 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER

100

NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A FILLER = SPACES CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 149 9 9 A FILLER RETAIL- 150 150 1 1 A R = RETAIL/ILEC - OLNY WHOLESALE-IND CALL PLAN CODE 151 155 5 5 A CALL PLAN CODE CALL PLAN 156 265 110 110 A CALL PLAN DECSRIPTION DESCRIPTION FILLER 266 269 4 4 A FILLER CALL-PLAN-IND 270 270 1 1 A PLAN IND CODE A = INFO RECORD B = PROMO PAYOUT RECORD C = PROMO SAVINGS REC D = NAME/DESCRIPTION PROMO-LINE- 271 272 2 2 A LINE NUMBER NUMBER PROMO-TOTAL- 273 274 2 2 A TOTAL LINES LINES FILLER 275 449 175 175 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

101

RECORD NAME RECORD NUMBER BILLING DETL ACCOUNT TRAILER RECORD 5 99 00 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 5 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 99 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER

102

NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A FILLER = SPACES CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 150 10 10 A FILLER TRAIL-CRIS- 151 152 2 2 A FILLER RECORD-OFFICE VALUE = SPACES TRAIL-RAO 153 155 3 3 Z REVENUE ACCOUNTING GROUP OFFICE VALUE 020 TRAIL-RUN-DATE 156 161 6 6 Z RUN DATE FORMAT = YYMMDD TRAIL-CYCLE- 162 167 6 6 Z CYCLE DATE NUMBER FORMAT = 0YYDDD TRAIL-RERUN- 168 169 2 2 Z RERUN NUMBER NUMBER VALUE 01 TRAIL-STD-VER 170 171 2 2 Z STANDARD VERSION VALUE = 30 TRAIL-LOCAL-VER 172 173 2 2 Z LOCAL VERSION VALUE = 10 TRAIL-LOCAL- 174 184 11 11 A FILLER CONTACT-NUMBER VALUE = SPACES TRAIL-TOTAL-ACT 185 195 11 11 Z TOTAL ACCOUNT BILLED AMT BILL-AMOUNT VALUE $$$$$$$$$CC PIC S9(9)V99 TRAIL-TOTAL-ACT 196 204 9 9 Z TOTAL RECORDS FOR ACT. RECORDS VALUE NNNNNNNNN LOCAL-VERSION- 205 210 6 6 A FILLER DATE VALUE = ZEROES

103

LOCAL-USE 211 392 182 182 A FILLER REDEFINED SNET-USE-N/A 211 240 30 30 A SNET-USE LOCAL-USE 241 392 152 152 A FILLER NATIONAL-USE 393 440 48 48 A FILLER LOCAL-USE 441 449 9 9 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

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RECORD NAME RECORD NUMBER BILLING DETL FILE TRAILER RECORD 9 99 00 FIELD LOCATION NO OF FIELD * DESCRIPTION NAME FROM TO CHAR. LNGTH MODE CAP 1 150 150 150 A SEE BELOW CAP-REC-LEN 1 4 4 4 Z RECORD LENGTH VALUE 0450 CAP-REC-LEVEL 5 5 1 1 Z RECORD LEVEL VALUE 9 CAP-REC-NO 6 7 2 2 Z RECORD NUMBER VALUE 99 CAP-SREC-NO 8 9 2 2 Z SUB-RECORD NUMBER VALUE 00 CAP-SEQ-NO 10 17 8 8 Z SEQUENCE NUMBER USED FOR SEQUENCING SIMILAR RECORDS DEFAULT = ZEROES CAP-MASTER- 18 30 13 13 A MASTER ACCOUNT NUMBER BILL-NUMBER DEFAULT = ZEROES CAP-BILLED- 31 43 13 13 A ACCOUNT NUMBER ACCOUNT-NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) CAP-EARNING 44 56 13 13 A EARNING NUMBER NUMBER NPA (3) PREFIX (3) LINE (4) CUS CODE (3) DEFAULT = ZEROES CAP-TEXT-IND 57 57 1 1 A IND FOR FOLLOWING RECS 0 = NO TEXT REC FOLLOW 1 = TEXT REC FOLLOWS CAP-OVFL-IND 58 58 1 1 A IND FOR CONTINUATION REC 0 = NO RECORD FOLLOWS 1 = RECORD FOLLOWS CAP-REG/NON REG 59 59 1 1 A IND CHARGES ARE CLASSIFI INDICATOR 1 = REGULATED CHARGES 2 = NON-REGULATED CHRGS 3 = USAGE CAP-BILL-PAGE- 60 63 4 4 A FILLER SECTION-ID VALUE = SPACES CAP-BILL-PAGE- 64 69 6 6 Z FILLER

105

NUMBER VALUE = ZEROES CAP-BILL-ITEM- 70 75 6 6 Z FILLER NUMBER VALUE = ZEROES CAP-BILL-DATE 76 81 6 6 Z BILL DATE FORMAT = YYMMDD CAP-ENTITY-CODE 82 85 4 4 A FILLER = SPACES CAP-ASSOCIATED- 86 89 4 4 A FILLER = ZEROES CHARGE-CODE CAP-REF-NUMBER 90 98 9 9 Z FILLER VALUE = ZEROES CAP-CUST-ID 99 123 25 25 A FILLER VALUE = ZEROES CAP-STATE-CODE 124 125 2 2 A FILLER VALUE = CT CAP-NATIONAL- 126 140 15 15 A FILLER USE CAP-LOCAL-USE 141 150 10 10 A FILLER TRAIL-CRIS- 151 152 2 2 A FILLER RECORD-OFFICE VALUE = SPACES TRAIL-RAO 153 155 3 3 Z REVENUE ACCOUNTING GROUP OFFICE VALUE 020 TRAIL-RUN-DATE 156 161 6 6 Z RUN DATE FORMAT = YYMMDD TRAIL-CYCLE- 162 167 6 6 Z CYCLE DATE NUMBER FORMAT = 0YYDDD TRAIL-RERUN- 168 169 2 2 Z RERUN NUMBER NUMBER VALUE 01 TRAIL-STD-VER 170 171 2 2 Z STANDARD VERSION VALUE = 30 TRAIL-LOCAL-VER 172 173 2 2 Z LOCAL VERSION VALUE = 10 TRAIL-LOCAL- 174 184 11 11 A FILLER CONTACT-NUMBER VALUE = SPACES TRAIL-TOTAL-ACT 185 195 11 11 Z TOTAL ACCOUNT BILLED AMT BILL-AMOUNT VALUE $$$$$$$$$CC PIC S9(9)V99 TRAIL-TOTAL-ACT 196 204 9 9 Z TOTAL RECORDS FOR ACT. RECORDS VALUE NNNNNNNNN LOCAL-VERSION- 205 210 6 6 A FILLER DATE VALUE = ZEROES

106

LOCAL-USE 211 392 182 182 A FILLER REDEFINED SNET-USE-N/A 211 240 30 30 A SNET-USE LOCAL-USE 241 392 152 152 A FILLER NATIONAL-USE 393 440 48 48 A FILLER LOCAL-USE 441 449 9 9 A FILLER RESERVED 450 450 1 1 A FILLER SYSTEM USE

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ADDENDUM: Inter Exchange Carrier Identification Codes & Cap-Entity Codes Updated 11/06/2002

0SN0 SNET 0SS0 SNET Diversified

0078 Enhanced Services Billing, Inc 0172 USP&C 0222 MCI WorldCom 0285 Federal Transtel Inc 0288 AT&T 0307 American Telnet 0368 Budget Call Long Distance 0370 AMNEX 0402 Integretel Inc 0457 Telco Development Group 0459 Telecom*USA 0488 LDDS WorldCom 0509 Olympic Telecommunications 0625 OAN 0636 Clear Choice Communications 0705 Network Access, Inc 0752 EXCEL Telecommunications Inc 0756 Zero Plus Dialing Inc 0763 SNET America 0777 Sprint 0782 ILD Teleservices Inc. 0811 VarTec Telecom Inc 0882 HBS Billing Services 0903 VRS Billing Systems 0930 Pilgrim Telephone 0977 SKYTEL 4661 SNET SMARTpages 7707 SBC Advanced Solutions, Inc. 7705 Prodigy 9033 Coin Compensation

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