1.ETSI TS 124 008 V10.3.0 (2011-06)Technical SpecificationDigital cellular telecommunications system (Phase 2+);Universal Mobile Telecommunications System (UMTS); LTE; Mobile radio interface Layer 3 specification; Core network protocols;Stage 3 (3GPP TS 24.008 version 10.3.0 Release 10)

2. 3GPP TS 24.008 version 10.3.0 Release 101 ETSI TS 124 008 V10.3.0 (2011-06) ReferenceRTS/TSGC-0124008va30 KeywordsGSM, LTE, UMTSETSI 650 Route des LuciolesF-06921 Sophia Antipolis Cedex - FRANCETel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88Important notice Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF).In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available athttp://portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http://portal.etsi.org/chaircor/ETSI_support.aspCopyright Notification No part may be reproduced except as authorized by written permission.The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2011.All rights reserved.TMTM TMTMDECT , PLUGTESTS , UMTS , TIPHON , the TIPHON logo and the ETSI logo are Trade Marks of ETSI registeredfor the benefit of its Members.TM3GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners.LTE is a Trade Mark of ETSI currently being registeredfor the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association.ETSI 3. 3GPP TS 24.008 version 10.3.0 Release 10 2ETSI TS 124 008 V10.3.0 (2011-06)Intellectual Property RightsIPRs essential or potentially essential to the present document may have been declared to ETSI. The informationpertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be foundin ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI inrespect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Webserver (http://webapp.etsi.org/IPR/home.asp).Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guaranteecan be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Webserver) which are, or may be, or may become, essential to the present document.ForewordThis Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities orGSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found underhttp://webapp.etsi.org/key/queryform.asp. ETSI 4. 3GPP TS 24.008 version 10.3.0 Release 103ETSI TS 124 008 V10.3.0 (2011-06)ContentsIntellectual Property Rights ................................................................................................................................2Foreword.............................................................................................................................................................2Foreword...........................................................................................................................................................25Introduction ......................................................................................................................................................251 Scope ......................................................................................................................................................261.1Scope of the Technical Specification ............................................................................................................... 261.2Application to the interface structures .............................................................................................................. 261.3Structure of layer 3 procedures......................................................................................................................... 261.4Test procedures ................................................................................................................................................ 271.5Use of logical channels in A/Gb mode ............................................................................................................. 271.6Overview of control procedures ....................................................................................................................... 271.6.1 List of procedures ....................................................................................................................................... 271.7Applicability of implementations ..................................................................................................................... 291.7.1 Voice Group Call Service (VGCS) and Voice Broadcast Service (VBS)................................................... 291.7.2 General Packet Radio Service (GPRS) ....................................................................................................... 291.7.2.1 Packet services in GSM (A/Gb mode only) .......................................................................................... 291.7.2.2 Packet services in Iu mode (Iu mode only) ........................................................................................... 301.8Handling of NAS signalling low priority indication ........................................................................................ 302 References ..............................................................................................................................................312.1Definitions and abbreviations ........................................................................................................................... 362.1.1 Random values............................................................................................................................................ 372.1.2 Vocabulary.................................................................................................................................................. 373 Radio Resource management procedures...............................................................................................404 Elementary procedures for Mobility Management.................................................................................404.1General ............................................................................................................................................................. 404.1.1MM and GMM procedures ......................................................................................................................... 414.1.1.1Types of MM and GMM procedures .................................................................................................... 414.1.1.1.1Integrity Checking of Signalling Messages in the Mobile Station (Iu mode only).......................... 424.1.1.1.1a Integrity protection for emergency call (Iu mode only)................................................................... 444.1.1.2MM-GMM co-ordination for GPRS MSs ............................................................................................ 454.1.1.2.1GPRS MS operating in mode A or B in a network that operates in mode I .................................... 454.1.1.2.2GPRS MS operating in mode A or B in a network that operates in mode II or III .......................... 464.1.1.2A Coordination between GMM and EMM ............................................................................................... 464.1.1.3Core Network System Information for MM (Iu mode only) ................................................................. 464.1.1.4Core Network System Information for GMM (Iu mode only) .............................................................. 464.1.1.4.1General ............................................................................................................................................ 464.1.1.4.2Control of Network Mode of Operation I ........................................................................................ 474.1.1.5Access class control .............................................................................................................................. 474.1.1.6Specific requirements for MS configured to use timer T3245 .............................................................. 484.1.1.7Handling of NAS level congestion control in mobility management.................................................... 484.1.2MM sublayer states ..................................................................................................................................... 494.1.2.1MM sublayer states in the mobile station .............................................................................................. 494.1.2.1.1Main states ....................................................................................................................................... 494.1.2.1.2Substates of the MM IDLE state ..................................................................................................... 524.1.2.2The update Status .................................................................................................................................. 544.1.2.3MM sublayer states on the network side ............................................................................................... 544.1.3GPRS mobility management (GMM) sublayer states ................................................................................. 564.1.3.1GMM states in the MS .......................................................................................................................... 564.1.3.1.1Main states ....................................................................................................................................... 564.1.3.1.2Substates of state GMM-DEREGISTERED.................................................................................... 574.1.3.1.3Substates of state GMM-REGISTERED ......................................................................................... 574.1.3.2GPRS update status ............................................................................................................................... 604.1.3.3GMM mobility management states on the network side ....................................................................... 60 ETSI 5. 3GPP TS 24.008 version 10.3.0 Release 104ETSI TS 124 008 V10.3.0 (2011-06)4.1.3.3.1 Main States ...................................................................................................................................... 604.1.3.3.2 Substates of state GMM-REGISTERED ......................................................................................... 614.2 Behaviour of the MS in MM Idle state, GMM-DEREGISTERED state and GMM-REGISTERED state ...... 624.2.1Primary Service State selection .................................................................................................................. 624.2.1.1 Selection of the Service State after Power On....................................................................................... 624.2.1.2 Other Cases ........................................................................................................................................... 634.2.2Detailed Description of the MS behaviour in MM IDLE State. ................................................................. 634.2.2.1 Service State, NORMAL SERVICE ..................................................................................................... 634.2.2.2 Service State, ATTEMPTING TO UPDATE ....................................................................................... 644.2.2.3 Service State, LIMITED SERVICE ...................................................................................................... 644.2.2.4 Service State, NO IMSI......................................................................................................................... 654.2.2.5 Service State, SEARCH FOR PLMN, NORMAL SERVICE............................................................... 654.2.2.6 Service State, SEARCH FOR PLMN ................................................................................................... 654.2.2.7 Service State, RECEIVING GROUP CALL (NORMAL SERVICE) .................................................. 664.2.2.8 Service State, RECEIVING GROUP CALL (LIMITED SERVICE) ................................................... 664.2.2.9 Service State, eCALL INACTIVE ........................................................................................................ 664.2.3Service state when back to state MM IDLE from another state.................................................................. 674.2.4Behaviour in state GMM-DEREGISTERED.............................................................................................. 674.2.4.1 Primary substate selection ..................................................................................................................... 684.2.4.1.1 Selection of the substate after power on or enabling the MSs GPRS capability ............................. 684.2.4.1.2 Other Cases...................................................................................................................................... 684.2.4.2 Detailed description of the MS behaviour in state GMM-DEREGISTERED....................................... 694.2.4.2.1 Substate, NORMAL-SERVICE ...................................................................................................... 694.2.4.2.2 Substate, ATTEMPTING-TO-ATTACH ........................................................................................ 694.2.4.2.3 Substate, LIMITED-SERVICE ....................................................................................................... 694.2.4.2.4 Substate, NO-IMSI .......................................................................................................................... 694.2.4.2.5 Substate, NO-CELL ........................................................................................................................ 704.2.4.2.6 Substate, PLMN-SEARCH ............................................................................................................. 704.2.4.2.7 Substate, ATTACH-NEEDED ........................................................................................................ 704.2.4.2.8 Substate, SUSPENDED (A/Gb mode only) .................................................................................... 704.2.4.3 Substate when back to state GMM-DEREGISTERED from another GMM state ................................ 704.2.5Behaviour in state GMM-REGISTERED ................................................................................................... 704.2.5.1 Detailed description of the MS behaviour in state GMM-REGISTERED ............................................ 714.2.5.1.1 Substate, NORMAL-SERVICE ...................................................................................................... 714.2.5.1.2 Substate, SUSPENDED (A/Gb mode only) .................................................................................... 714.2.5.1.3 Substate, UPDATE-NEEDED......................................................................................................... 714.2.5.1.4 Substate, ATTEMPTING-TO-UPDATE ........................................................................................ 714.2.5.1.5 Substate, NO-CELL-AVAILABLE ................................................................................................ 724.2.5.1.6 Substate, LIMITED-SERVICE ....................................................................................................... 724.2.5.1.7 Substate, ATTEMPTING-TO-UPDATE-MM ................................................................................ 724.2.5.1.8 Substate, PLMN-SEARCH ............................................................................................................. 724.3 MM common procedures ................................................................................................................................. 724.3.1TMSI reallocation procedure ...................................................................................................................... 734.3.1.1 TMSI reallocation initiation by the network ......................................................................................... 734.3.1.2 TMSI reallocation completion by the mobile station ............................................................................ 734.3.1.3 TMSI reallocation completion in the network....................................................................................... 734.3.1.4 Abnormal cases ..................................................................................................................................... 744.3.2Authentication procedure ............................................................................................................................ 744.3.2aAuthentication procedure used for a UMTS authentication challenge .................................................. 744.3.2bAuthentication Procedure used for a GSM authentication challenge .................................................... 754.3.2.1 Authentication request by the network .................................................................................................. 754.3.2.2 Authentication response by the mobile station...................................................................................... 754.3.2.3 Authentication processing in the network ............................................................................................. 764.3.2.3a128-bit circuit-switched GSM ciphering key ........................................................................................ 764.3.2.4 Ciphering key sequence number ........................................................................................................... 764.3.2.5 Authentication not accepted by the network ......................................................................................... 774.3.2.5.1 Authentication not accepted by the MS ........................................................................................... 784.3.2.6 Abnormal cases ..................................................................................................................................... 784.3.2.6.1 MS behaviour towards a network that has failed the authentication procedure............................... 814.3.2.7 Handling of keys at intersystem change from Iu mode to A/Gb mode ................................................. 814.3.2.7aUse of established security contexts ...................................................................................................... 824.3.2.8 Handling of keys at intersystem change from A/Gb mode to Iu mode ................................................. 83 ETSI 6. 3GPP TS 24.008 version 10.3.0 Release 10 5ETSI TS 124 008 V10.3.0 (2011-06)4.3.2.9Void....................................................................................................................................................... 834.3.2.10 Derivation of keys at SRVCC handover from S1 mode ........................................................................ 834.3.2.10.1 PDN connection with integrity protection ....................................................................................... 834.3.2.10.2 PDN connection without integrity protection .................................................................................. 844.3.2.11 Derivation of keys at SRVCC handover from Iu mode to Iu mode ...................................................... 844.3.2.11.1 PDN connection with integrity protection ....................................................................................... 844.3.2.11.2 PDN connection without integrity protection .................................................................................. 854.3.2.12 Derivation of keys at SRVCC handover from Iu mode to A/Gb mode ................................................. 854.3.2.12.1 PDN connection with integrity protection ....................................................................................... 854.3.2.12.2 PDN connection without integrity protection .................................................................................. 864.3.3Identification procedure .............................................................................................................................. 864.3.3.1Identity request by the network ............................................................................................................. 874.3.3.2Identification response by the mobile station ........................................................................................ 874.3.3.3Abnormal cases ..................................................................................................................................... 874.3.4IMSI detach procedure................................................................................................................................ 874.3.4.1 IMSI detach initiation by the mobile station ......................................................................................... 884.3.4.2IMSI detach procedure in the network .................................................................................................. 884.3.4.3IMSI detach completion by the mobile station...................................................................................... 884.3.4.4Abnormal cases ..................................................................................................................................... 884.3.5Abort procedure .......................................................................................................................................... 884.3.5.1Abort procedure initiation by the network ............................................................................................ 894.3.5.2Abort procedure in the mobile station ................................................................................................... 894.3.6MM information procedure......................................................................................................................... 894.3.6.1MM information procedure initiation by the network ........................................................................... 894.3.6.2MM information procedure in the mobile station ................................................................................. 894.4MM specific procedures ................................................................................................................................... 894.4.1Location updating procedure ...................................................................................................................... 904.4.2Periodic updating ........................................................................................................................................ 914.4.3IMSI attach procedure ................................................................................................................................ 924.4.4Generic Location Updating procedure ........................................................................................................ 924.4.4.1 Location updating initiation by the mobile station ................................................................................ 924.4.4.1aNetwork Request for Additional mobile station Capability Information .............................................. 934.4.4.2Identification request from the network ................................................................................................ 934.4.4.3Authentication by the network .............................................................................................................. 934.4.4.4Security mode setting by the network ................................................................................................... 934.4.4.5Attempt Counter .................................................................................................................................... 934.4.4.6Location updating accepted by the network .......................................................................................... 944.4.4.7Location updating not accepted by the network .................................................................................... 954.4.4.8Release of RR connection after location updating ................................................................................ 974.4.4.9Abnormal cases on the mobile station side ........................................................................................... 974.4.4.10 Abnormal cases on the network side ..................................................................................................... 994.4.5Void ............................................................................................................................................................ 994.4.6Void ............................................................................................................................................................ 994.4.7eCall inactivity procedure ........................................................................................................................... 994.5Connection management sublayer service provision ..................................................................................... 1004.5.1MM connection establishment .................................................................................................................. 1004.5.1.1MM connection establishment initiated by the mobile station ............................................................ 1004.5.1.2Abnormal cases ................................................................................................................................... 1044.5.1.3MM connection establishment initiated by the network ..................................................................... 1054.5.1.3.1Mobile Terminating CM Activity .................................................................................................. 1054.5.1.3.2Mobile Originating CM Activity $(CCBS)$ ................................................................................. 1064.5.1.3.3Paging response in Iu mode (Iu mode only) .................................................................................. 1074.5.1.3.4Paging response for CS fallback .................................................................................................... 1074.5.1.4Abnormal cases ................................................................................................................................... 1084.5.1.5MM connection establishment for emergency calls ............................................................................ 1084.5.1.5aMM connection establishment for emergency calls for CS fallback ................................................... 1084.5.1.6Call re-establishment ........................................................................................................................... 1094.5.1.6.1Call re-establishment, initiation by the mobile station .................................................................. 1094.5.1.6.2Abnormal cases ............................................................................................................................. 1114.5.1.7Forced release during MO MM connection establishment ................................................................. 1114.5.1.8MM connection establishment due to SRVCC handover .................................................................... 1124.5.2MM connection information transfer phase .............................................................................................. 112ETSI 7. 3GPP TS 24.008 version 10.3.0 Release 106 ETSI TS 124 008 V10.3.0 (2011-06)4.5.2.1Sending CM messages ........................................................................................................................ 1124.5.2.2Receiving CM messages ..................................................................................................................... 1124.5.2.3Abnormal cases ................................................................................................................................... 1124.5.3 MM connection release ............................................................................................................................. 1134.5.3.1Release of associated RR connection .................................................................................................. 1134.5.3.2Uplink release in a voice group call .................................................................................................... 1134.6Receiving a MM STATUS message by a MM entity. .................................................................................... 1134.7Elementary mobility management procedures for GPRS services ................................................................. 1144.7.1 General...................................................................................................................................................... 1144.7.1.1Lower layer failure .............................................................................................................................. 1144.7.1.2Ciphering of messages (A/Gb mode only) .......................................................................................... 1144.7.1.3P-TMSI signature ................................................................................................................................ 1144.7.1.4Radio resource sublayer address handling .......................................................................................... 1144.7.1.4.1Radio resource sublayer address handling (A/Gb mode only) ...................................................... 1154.7.1.5P-TMSI handling................................................................................................................................. 1164.7.1.5.1P-TMSI handling in A/Gb mode ................................................................................................... 1164.7.1.5.2P-TMSI handling in Iu mode ......................................................................................................... 1164.7.1.5.3Void ............................................................................................................................................... 1174.7.1.5.4Void ............................................................................................................................................... 1174.7.1.6Change of network mode of operation ................................................................................................ 1174.7.1.6.1Change of network mode of operation in A/Gb mode (A/Gb mode only) .................................... 1174.7.1.6.2Change of network mode of operation in Iu mode (Iu mode only) ............................................... 1184.7.1.6.3Change of network mode of operation at Iu mode to A/Gb mode inter-system change ................ 1184.7.1.6.4Change of network mode of operation at A/Gb mode to Iu mode inter-system change ................ 1194.7.1.7Intersystem change between A/Gb mode and Iu mode ....................................................................... 1204.7.1.8List of forbidden PLMNs for GPRS service ....................................................................................... 1214.7.1.8a Establishment of the PS signalling connection (Iu mode only)........................................................... 1224.7.1.9Release of the PS signalling connection (Iu mode only) ..................................................................... 1224.7.2 GPRS Mobility management timers and UMTS PS signalling connection control .................................. 1224.7.2.1READY timer behaviour..................................................................................................................... 1224.7.2.1.1READY timer behaviour (A/Gb mode only) ................................................................................. 1224.7.2.1.2Handling of READY timer in Iu mode (Iu mode only) ................................................................. 1234.7.2.2Periodic routing area updating ............................................................................................................ 1244.7.2.3PMM-IDLE mode and PMM-CONNECTED mode (Iu mode only) .................................................. 1254.7.2.4Handling of Force to standby in Iu mode (Iu mode only)................................................................... 1254.7.2.5RA Update procedure for Signalling Connection Re-establishment (Iu mode only) .......................... 1264.7.2.6Cell Update triggered by low layers .................................................................................................... 1264.7.3 GPRS attach procedure ............................................................................................................................. 1264.7.3.1GPRS attach procedure for GPRS services ......................................................................................... 1274.7.3.1.1GPRS attach procedure initiation .................................................................................................. 1274.7.3.1.2GMM common procedure initiation .............................................................................................. 1294.7.3.1.3GPRS attach accepted by the network ........................................................................................... 1294.7.3.1.4GPRS attach not accepted by the network ..................................................................................... 1314.7.3.1.4a GPRS attach for emergency bearer services not accepted by the network (UTRAN Iu mode only) .............................................................................................................................................. 1354.7.3.1.5Abnormal cases in the MS ............................................................................................................. 1354.7.3.1.6Abnormal cases on the network side ............................................................................................. 1374.7.3.2Combined GPRS attach procedure for GPRS and non-GPRS services .............................................. 1384.7.3.2.1Combined GPRS attach procedure initiation ................................................................................. 1394.7.3.2.2GMM Common procedure initiation ............................................................................................. 1394.7.3.2.3Combined GPRS attach accepted by the network ......................................................................... 1394.7.3.2.4Combined GPRS attach not accepted by the network ................................................................... 1414.7.3.2.5Abnormal cases in the MS ............................................................................................................. 1444.7.3.2.6Abnormal cases on the network side ............................................................................................. 1454.7.4 GPRS detach procedure ............................................................................................................................ 1454.7.4.1MS initiated GPRS detach procedure.................................................................................................. 1454.7.4.1.1MS initiated GPRS detach procedure initiation ............................................................................. 1454.7.4.1.2MS initiated GPRS detach procedure completion for GPRS services only ................................... 1464.7.4.1.3MS initiated combined GPRS detach procedure completion......................................................... 1464.7.4.1.4Abnormal cases in the MS ............................................................................................................. 1464.7.4.1.5Abnormal cases on the network side ............................................................................................. 1484.7.4.2Network initiated GPRS detach procedure ......................................................................................... 149 ETSI 8. 3GPP TS 24.008 version 10.3.0 Release 10 7 ETSI TS 124 008 V10.3.0 (2011-06)4.7.4.2.1 Network initiated GPRS detach procedure initiation..................................................................... 1494.7.4.2.2 Network initiated GPRS detach procedure completion by the MS................................................ 1494.7.4.2.3 Network initiated GPRS detach procedure completion by the network ........................................ 1534.7.4.2.4 Abnormal cases on the network side ............................................................................................. 1534.7.5 Routing area updating procedure .............................................................................................................. 1544.7.5.1Normal and periodic routing area updating procedure ........................................................................ 1564.7.5.1.1 Normal and periodic routing area updating procedure initiation ................................................... 1574.7.5.1.2 GMM Common procedure initiation ............................................................................................. 1584.7.5.1.3 Normal and periodic routing area updating procedure accepted by the network........................... 1584.7.5.1.4 Normal and periodic routing area updating procedure not accepted by the network..................... 1614.7.5.1.5 Abnormal cases in the MS ............................................................................................................. 1664.7.5.1.6 Abnormal cases on the network side ............................................................................................. 1684.7.5.2Combined routing area updating procedure ........................................................................................ 1704.7.5.2.0 General .......................................................................................................................................... 1704.7.5.2.1 Combined routing area updating procedure initiation ................................................................... 1704.7.5.2.2 GMM Common procedure initiation ............................................................................................. 1714.7.5.2.3 Combined routing area updating procedure accepted by the network ........................................... 1714.7.5.2.4 Combined routing area updating not accepted by the network...................................................... 1734.7.5.2.5 Abnormal cases in the MS ............................................................................................................. 1774.7.5.2.6 Abnormal cases on the network side ............................................................................................. 1784.7.6 P-TMSI reallocation procedure................................................................................................................. 1784.7.6.1P-TMSI reallocation initiation by the network.................................................................................... 1784.7.6.2P-TMSI reallocation completion by the MS ....................................................................................... 1784.7.6.3P-TMSI reallocation completion by the network ................................................................................ 1794.7.6.4Abnormal cases on the network side ................................................................................................... 1794.7.7 Authentication and ciphering procedure ................................................................................................... 1804.7.7a Authentication and ciphering procedure used for UMTS authentication challenge. ........................... 1804.7.7b Authentication and ciphering procedure used for GSM authentication challenge .............................. 1814.7.7c Change of the ciphering algorithm at PS Handover ............................................................................ 1814.7.7.1Authentication and ciphering initiation by the network ...................................................................... 1814.7.7.2Authentication and ciphering response by the MS .............................................................................. 1824.7.7.3Authentication and ciphering completion by the network................................................................... 1834.7.7.3a 128-bit packet-switched GSM ciphering key ...................................................................................... 1834.7.7.4GPRS ciphering key sequence number ............................................................................................... 1844.7.7.5Authentication not accepted by the network ....................................................................................... 1854.7.7.5.1 Authentication not accepted by the MS ......................................................................................... 1854.7.7.6Abnormal cases ................................................................................................................................... 1864.7.7.6.1 MS behaviour towards a network that has failed the authentication procedure............................. 1894.7.7.7Use of established security contexts .................................................................................................... 1904.7.7.8Handling of keys at intersystem change from Iu mode to A/Gb mode ............................................... 1914.7.7.9Handling of keys at intersystem change from A/Gb mode to Iu mode ............................................... 1914.7.7.10 Handling of keys at intersystem change from S1 mode to Iu mode or A/Gb mode ............................ 1924.7.8 Identification procedure ............................................................................................................................ 1944.7.8.1Identification initiation by the network ............................................................................................... 1944.7.8.2Identification response by the MS ....................................................................................................... 1944.7.8.3Identification completion by the network ........................................................................................... 1944.7.8.3a Abnormal cases in the MS .................................................................................................................. 1944.7.8.4Abnormal cases on the network side ................................................................................................... 1954.7.9 Paging procedure ...................................................................................................................................... 1964.7.9.1Paging for GPRS services ................................................................................................................... 1964.7.9.1.1 Paging for GPRS services using P-TMSI ...................................................................................... 1964.7.9.1.2 Paging for GPRS services using IMSI........................................................................................... 1974.7.9.2Paging for non-GPRS services ............................................................................................................ 1974.7.10Receiving a GMM STATUS message by a GMM entity ......................................................................... 1974.7.11Void .......................................................................................................................................................... 1974.7.12GMM Information procedure ................................................................................................................... 1974.7.12.1 GMM information procedure initiation by the network ...................................................................... 1984.7.12.2 GMM information procedure in the mobile station ............................................................................ 1984.7.13Service Request procedure (Iu mode only) ............................................................................................... 1984.7.13.1 Service Request procedure initiation................................................................................................... 2004.7.13.2 GMM common procedure initiation ................................................................................................... 2004.7.13.3 Service request procedure accepted by the network............................................................................ 200ETSI 9. 3GPP TS 24.008 version 10.3.0 Release 10 8 ETSI TS 124 008 V10.3.0 (2011-06)4.7.13.4 Service request procedure not accepted by the network...................................................................... 2014.7.13.5 Abnormal cases in the MS .................................................................................................................. 2044.7.13.6 Abnormal cases on the network side ................................................................................................... 2064.7.14Void .......................................................................................................................................................... 2075 Elementary procedures for circuit-switched Call Control ....................................................................2075.1Overview ........................................................................................................................................................ 2075.1.1 General...................................................................................................................................................... 2075.1.2 Call Control States .................................................................................................................................... 2125.1.2.1 Call states at the mobile station side of the interface .......................................................................... 2125.1.2.1.1 Null (State U0) .............................................................................................................................. 2125.1.2.1.2 MM Connection pending (U0.1) ................................................................................................... 2125.1.2.1.2aCC prompt present (U0.2) $(CCBS)$ ........................................................................................... 2135.1.2.1.2bWait for network information (U0.3) $(CCBS)$........................................................................... 2135.1.2.1.2cCC-Establishment present (U0.4) $(CCBS)$ ................................................................................ 2135.1.2.1.2dCC-Establishment confirmed (U0.5) $(CCBS)$ ........................................................................... 2135.1.2.1.2eRecall present (U0.6) $(CCBS)$ ................................................................................................... 2135.1.2.1.3 Call initiated (U1) .......................................................................................................................... 2135.1.2.1.4 Mobile originating call proceeding (U3) ....................................................................................... 2135.1.2.1.5 Call delivered (U4) ........................................................................................................................ 2135.1.2.1.6 Call present (U6) ........................................................................................................................... 2135.1.2.1.7 Call received (U7) ......................................................................................................................... 2135.1.2.1.8 Connect Request (U8) ................................................................................................................... 2135.1.2.1.9 Mobile terminating call confirmed (U9)........................................................................................ 2145.1.2.1.10Active (U10) .................................................................................................................................. 2145.1.2.1.11Disconnect request (U11) .............................................................................................................. 2145.1.2.1.12Disconnect indication (U12) .......................................................................................................... 2145.1.2.1.13Release request (U19).................................................................................................................... 2145.1.2.1.14Mobile originating modify (U26) .................................................................................................. 2145.1.2.1.15Mobile terminating modify (U27) ................................................................................................. 2145.1.2.2 Network call states .............................................................................................................................. 2145.1.2.2.1 Null (State N0) .............................................................................................................................. 2145.1.2.2.2 MM connection pending (N0.1) .................................................................................................... 2145.1.2.2.2aCC connection pending (N0.2) $(CCBS)$ .................................................................................... 2145.1.2.2.2bNetwork answer pending (N0.3) $(CCBS)$ .................................................................................. 2145.1.2.2.2cCC-Establishment present (N0.4) $(CCBS)$ ................................................................................ 2155.1.2.2.2dCC-Establishment confirmed (N0.5) $(CCBS)$ ........................................................................... 2155.1.2.2.3 Call initiated (N1) .......................................................................................................................... 2155.1.2.2.4 Mobile originating call proceeding (N3) ....................................................................................... 2155.1.2.2.5 Call delivered (N4) ........................................................................................................................ 2155.1.2.2.6 Call present (N6) ........................................................................................................................... 2155.1.2.2.7 Call received (N7) ......................................................................................................................... 2155.1.2.2.8 Connect request (N8) ..................................................................................................................... 2155.1.2.2.9 Mobile terminating call confirmed (N9)........................................................................................ 2155.1.2.2.10Active (N10) .................................................................................................................................. 2155.1.2.2.11Not used ......................................................................................................................................... 2155.1.2.2.12Disconnect indication (N12) .......................................................................................................... 2155.1.2.2.13Release request (N19).................................................................................................................... 2165.1.2.2.14Mobile originating modify (N26) .................................................................................................. 2165.1.2.2.15Mobile terminating modify (N27) ................................................................................................. 2165.1.2.2.16Connect Indication (N28) .............................................................................................................. 2165.2Call establishment procedures ........................................................................................................................ 2165.2.1 Mobile originating call establishment ....................................................................................................... 2165.2.1.1 Call initiation....................................................................................................................................... 2175.2.1.2 Receipt of a setup message ................................................................................................................. 2185.2.1.3 Receipt of a CALL PROCEEDING message ..................................................................................... 2195.2.1.4 Notification of progressing mobile originated call .............................................................................. 2205.2.1.4.1 Notification of interworking in connection with mobile originated call establishment ................. 2205.2.1.4.2 Call progress in the PLMN/ISDN environment ............................................................................ 2205.2.1.5 Alerting ............................................................................................................................................... 2205.2.1.6 Call connected ..................................................................................................................................... 2215.2.1.7 Call rejection ....................................................................................................................................... 222ETSI 10. 3GPP TS 24.008 version 10.3.0 Release 10 9 ETSI TS 124 008 V10.3.0 (2011-06)5.2.1.8Transit network selection .................................................................................................................... 2225.2.1.9Traffic channel assignment at mobile originating call establishment ................................................. 2225.2.1.10 Call queuing at mobile originating call establishment ........................................................................ 2225.2.1.11 Speech Codec Selection ...................................................................................................................... 2225.2.1.12 Cellular Text telephone Modem (CTM) selection .............................................................................. 2235.2.2Mobile terminating call establishment ...................................................................................................... 2245.2.2.1Call indication ..................................................................................................................................... 2245.2.2.2Compatibility checking ....................................................................................................................... 2245.2.2.3Call confirmation ................................................................................................................................ 2245.2.2.3.1Response to SETUP ...................................................................................................................... 2245.2.2.3.2Receipt of CALL CONFIRMED and ALERTING by the network .............................................. 2255.2.2.3.3Call failure procedures .................................................................................................................. 2265.2.2.3.4Called mobile station clearing during mobile terminating call establishment ............................... 2265.2.2.4Notification of interworking in connection with mobile terminating call establishment .................... 2265.2.2.5Call accept ........................................................................................................................................... 2275.2.2.6Active indication ................................................................................................................................. 2275.2.2.7Traffic channel assignment at mobile terminating call establishment................................................. 2275.2.2.8Call queuing at mobile terminating call establishment ....................................................................... 2285.2.2.9User connection attachment during a mobile terminating call ............................................................ 2285.2.2.10 Speech Codec Selection ...................................................................................................................... 2285.2.2.11 Cellular Text telephone Modem (CTM) selection .............................................................................. 2285.2.3Network initiated MO call $(CCBS)$ ...................................................................................................... 2285.2.3.1Initiation .............................................................................................................................................. 2285.2.3.2CC-Establishment present ................................................................................................................... 2295.2.3.2.1Recall Alignment Procedure .......................................................................................................... 2305.2.3.3CC-Establishment confirmation .......................................................................................................... 2315.2.3.4Recall present ...................................................................................................................................... 2315.2.3.5Traffic channel assignment during network initiated mobile originating call establishment .............. 2325.2.4Call establishment for SRVCC ................................................................................................................. 2325.2.4.1General ................................................................................................................................................ 2325.2.4.2Call activation ..................................................................................................................................... 2325.2.4.3Traffic channel assignment and user connection attachment .............................................................. 2335.3 Signalling procedures during the "active" state .............................................................................................. 2335.3.1User notification procedure....................................................................................................................... 2335.3.2Call rearrangements .................................................................................................................................. 2335.3.3Codec Change Procedure .......................................................................................................................... 2335.3.4Support of Dual Services .......................................................................................................................... 2335.3.4.1Service Description ............................................................................................................................. 2345.3.4.2Call establishment ............................................................................................................................... 2345.3.4.2.1Mobile Originating Establishment ................................................................................................. 2345.3.4.2.2Mobile Terminating Establishment ............................................................................................... 2355.3.4.3Changing the Call Mode ..................................................................................................................... 2355.3.4.3.1Initiation of in-call modification.................................................................................................... 2355.3.4.3.2Successful completion of in-call modification .............................................................................. 2365.3.4.3.3Change of the channel configuration ............................................................................................. 2375.3.4.3.4Failure of in-call modification ....................................................................................................... 2375.3.4.4Abnormal procedures .......................................................................................................................... 2375.3.5User initiated service level up- and downgrading (A/Gb mode and GERAN Iu mode only) ................... 2385.3.5.1Initiation of service level up- and downgrading .................................................................................. 2385.3.5.2Successful completion of service level up- and downgrading ............................................................ 2395.3.5.3Rejection of service level up- and downgrading ................................................................................. 2395.3.5.4Time-out recovery ............................................................................................................................... 2395.3.6Support of multimedia calls ...................................................................................................................... 2395.3.6.1Service description .............................................................................................................................. 2395.3.6.2Call establishment ............................................................................................................................... 2395.3.6.2.1Mobile originated multimedia call establishment .......................................................................... 2395.3.6.2.2Mobile terminating multimedia call .............................................................................................. 2415.3.6.2.2.1Fallback to speech .................................................................................................................... 2415.3.6.3In-call modification in the "active" state ............................................................................................. 2415.3.6.3.1Void ............................................................................................................................................... 2425.3.6.3.2Void ............................................................................................................................................... 2425.3.6.3.3Void ............................................................................................................................................... 242ETSI 11. 3GPP TS 24.008 version 10.3.0 Release 10 10 ETSI TS 124 008 V10.3.0 (2011-06)5.3.6.4Multimedia CAT during the alerting phase of a mobile originated call .............................................. 2425.3.6.5DTMF transmission during a multimedia call .................................................................................... 2435.4 Call clearing ................................................................................................................................................... 2435.4.1Terminology ............................................................................................................................................. 2435.4.2Exception conditions................................................................................................................................. 2435.4.3Clearing initiated by the mobile station .................................................................................................... 2445.4.3.1Initiation of call clearing ..................................................................................................................... 2445.4.3.2Receipt of a DISCONNECT message from the mobile station........................................................... 2445.4.3.3Receipt of a RELEASE message from the network ............................................................................ 2445.4.3.4Receipt of a RELEASE COMPLETE message from the mobile station ............................................ 2445.4.3.5Abnormal cases ................................................................................................................................... 2445.4.4Clearing initiated by the network .............................................................................................................. 2455.4.4.1Clearing initiated by the network: mobile does not support "Prolonged Clearing Procedure" ........... 2455.4.4.1.1Clearing when tones/announcements provided ................................................................................... 2455.4.4.1.2Clearing when tones/announcements not provided ....................................................................... 2455.4.4.1.3Completion of clearing .................................................................................................................. 2465.4.4.2Clearing initiated by the network: mobile supports "Prolonged Clearing Procedure" ........................ 2465.4.4.2.1Clearing when tones/announcements provided and the network does not indicate that "CCBS activation is possible" .................................................................................................................... 2465.4.4.2.2Clearing when the network indicates that "CCBS activation is possible" ..................................... 2475.4.4.2.3Clearing when tones/announcements are not provided and the network does not indicate that "CCBS activation is possible" ....................................................................................................... 2485.4.4.2.4Receipt of a RELEASE message from the mobile station ............................................................. 2485.4.4.2.5Completion of clearing .................................................................................................................. 2495.5 Miscellaneous procedures .............................................................................................................................. 2495.5.1In-band tones and announcements ............................................................................................................ 2495.5.2Call collisions ........................................................................................................................................... 2505.5.3Status procedures ...................................................................................................................................... 2505.5.3.1Status enquiry procedure ..................................................................................................................... 2505.5.3.2Reception of a STATUS message by a CC entity ............................................................................... 2505.5.3.2.1STATUS message with incompatible state ................................................................................... 2505.5.3.2.2STATUS message with compatible state ...................................................................................... 2505.5.4Call re-establishment, mobile station side ................................................................................................ 2515.5.4.1Indication from the mobility management sublayer ............................................................................ 2515.5.4.2Reaction of call control ....................................................................................................................... 2515.5.4.3Completion of re-establishment .......................................................................................................... 2515.5.4.4Unsuccessful outcome ......................................................................................................................... 2515.5.5Call re-establishment, network side .......................................................................................................... 2525.5.5.1State alignment .................................................................................................................................... 2525.5.6Progress .................................................................................................................................................... 2525.5.7DTMF protocol control procedure ............................................................................................................ 2525.5.7.1Start DTMF request by the mobile station .......................................................................................... 2525.5.7.2Start DTMF response by the network ................................................................................................. 2535.5.7.3Stop DTMF request by the mobile station .......................................................................................... 2535.5.7.4Stop DTMF response by the network.................................................................................................. 2535.5.7.5Sequencing of subsequent start DTMF requests by the mobile station ............................................... 2536 Support for packet services ..................................................................................................................2546.1 GPRS Session management ........................................................................................................................... 2546.1.1 General...................................................................................................................................................... 2546.1.2 Session management states ....................................................................................................................... 2556.1.2.1Session management states in the MS ................................................................................................. 2556.1.2.1.1PDP-INACTIVE............................................................................................................................ 2556.1.2.1.2PDP-ACTIVE-PENDING ............................................................................................................. 2556.1.2.1.3PDP-INACTIVE-PENDING ......................................................................................................... 2556.1.2.1.4PDP-ACTIVE ................................................................................................................................ 2556.1.2.1.5PDP-MODIFY_PENDING ........................................................................................................... 2556.1.2.1.6MBMS-ACTIVE-PENDING ........................................................................................................ 2556.1.2.1.7MBMS-ACTIVE ........................................................................................................................... 2556.1.2.2Session management states on the network side ................................................................................. 2576.1.2.2.1PDP-INACTIVE............................................................................................................................ 2576.1.2.2.2PDP-ACTIVE-PENDING ............................................................................................................. 257 ETSI 12. 3GPP TS 24.008 version 10.3.0 Release 1011 ETSI TS 124 008 V10.3.0 (2011-06)6.1.2.2.3 PDP-INACTIVE-PENDING ......................................................................................................... 2576.1.2.2.4 PDP-ACTIVE ................................................................................................................................ 2576.1.2.2.5 PDP-MODIFY-PENDING ............................................................................................................ 2576.1.2.2.6 MBMS-ACTIVE-PENDING ........................................................................................................ 2586.1.2.2.7 MBMS-INACTIVE-PENDING .................................................................................................... 2586.1.2.2.8 MBMS-ACTIVE ........................................................................................................................... 2586.1.2APDP address allocation ............................................................................................................................. 2596.1.2A.1General ................................................................................................................................................ 2596.1.2A.1.1Interworking with PDN based on IP .............................................................................................. 2596.1.2A.1.2Interworking with PDN based on PPP........................................................................................... 2596.1.2A.2IP address allocation via NAS signalling ............................................................................................ 2606.1.3 Session Management procedures .............................................................................................................. 2606.1.3.1 PDP context activation ........................................................................................................................ 2606.1.3.1.1 Successful PDP context activation initiated by the mobile station ................................................ 2616.1.3.1.2 Successful PDP context activation requested by the network ....................................................... 2626.1.3.1.3 Unsuccessful PDP context activation initiated by the MS............................................................. 2636.1.3.1.4 Unsuccessful PDP context activation requested by the network ................................................... 2656.1.3.1.5 Abnormal cases ............................................................................................................................. 2656.1.3.2 Secondary PDP Context Activation Procedure ................................................................................... 2676.1.3.2.1 Successful Secondary PDP Context Activation Procedure Initiated by the MS ............................ 2686.1.3.2.1aSuccessful Secondary PDP Context Activation Procedure Requested by the network ................. 2686.1.3.2.2 Unsuccessful Secondary PDP Context Activation Procedure initiated by the MS ........................ 2696.1.3.2.2aUnsuccessful secondary PDP context activation requested by the network .................................. 2706.1.3.2.3 Abnormal cases ............................................................................................................................. 2706.1.3.3 PDP context modification procedure .................................................................................................. 2736.1.3.3.1 Network initiated PDP Context Modification ............................................................................... 2746.1.3.3.2 MS initiated PDP Context Modification accepted by the network ................................................ 2746.1.3.3.3 MS initiated PDP Context Modification not accepted by the network .......................................... 2756.1.3.3.3aNetwork initiated PDP Context Modification not accepted by the MS ......................................... 2786.1.3.3.4 Abnormal cases ............................................................................................................................. 2786.1.3.4 PDP context deactivation procedure ................................................................................................... 2796.1.3.4.1 PDP context deactivation initiated by the MS ............................................................................... 2806.1.3.4.2 PDP context deactivation initiated by the network ........................................................................ 2806.1.3.4.3 Abnormal cases ............................................................................................................................. 2816.1.3.4aVoid..................................................................................................................................................... 2826.1.3.5 Void..................................................................................................................................................... 2826.1.3.5aNotification procedure ........................................................................................................................ 2826.1.3.5a.1General .......................................................................................................................................... 2826.1.3.5a.2Notification procedure initiation by the network ........................................................................... 2826.1.3.5a.3Notification procedure in the MS .................................................................................................. 2826.1.3.6 Receiving a SM STATUS message by a SM entity ............................................................................ 2836.1.3.7 Protocol configuration options ............................................................................................................ 2836.1.3.8 MBMS context activation ................................................................................................................... 2836.1.3.8.1 Successful MBMS context activation ............................................................................................ 2846.1.3.8.2 Unsuccessful MBMS context activation requested by the MS ...................................................... 2846.1.3.8.3 Unsuccessful MBMS context activation requested by the network............................................... 2856.1.3.8.4 Abnormal cases ............................................................................................................................. 2856.1.3.9 MBMS context deactivation................................................................................................................ 2866.1.3.9.1 MBMS context deactivation initiated by the network ................................................................... 2866.1.3.9.2 Abnormal cases ............................................................................................................................. 2876.1.3.10MBMS protocol configuration options ............................................................................................... 2876.2void ................................................................................................................................................................. 2876.3Coordination between SM and GMM for supporting ISR ............................................................................. 2876.4MSISDN notification procedure..................................................................................................................... 2887 Examples of structured procedures ......................................................................................................2888 Handling of unknown, unforeseen, and erroneous protocol data .........................................................2888.1General ........................................................................................................................................................... 2888.2Message too short ........................................................................................................................................... 2898.3Unknown or unforeseen transaction identifier ............................................................................................... 2898.3.1Call Control .............................................................................................................................................. 289ETSI 13. 3GPP TS 24.008 version 10.3.0 Release 1012ETSI TS 124 008 V10.3.0 (2011-06)8.3.2 Session Management ................................................................................................................................ 2908.4 Unknown or unforeseen message type ........................................................................................................... 2918.5 Non-semantical mandatory information element errors ................................................................................. 2918.5.1 Radio resource management ..................................................................................................................... 2928.5.2 Mobility management ............................................................................................................................... 2928.5.3 Call control ............................................................................................................................................... 2928.5.4 GMM mobility management..................................................................................................................... 2928.5.5 Session management ................................................................................................................................. 2928.6 Unknown and unforeseen IEs in the non-imperative message part ................................................................ 2938.6.1 IEIs unknown in the message ................................................................................................................... 2938.6.2 Out of sequence IEs .................................................................................................................................. 2938.6.3 Repeated IEs ............................................................................................................................................. 2938.7 Non-imperative message part errors ............................................................................................................... 2938.7.1 Syntactically incorrect optional IEs .......................................................................................................... 2938.7.2 Conditional IE errors ................................................................................................................................ 2938.8 Messages with semantically incorrect contents .............................................................................................. 2949 Message functional definitions and contents........................................................................................2949.1 Messages for Radio Resources management .................................................................................................. 2959.2 Messages for mobility management ............................................................................................................... 2959.2.1 Authentication reject ................................................................................................................................. 2969.2.2 Authentication request .............................................................................................................................. 2969.2.2.1 Authentication Parameter AUTN ........................................................................................................ 2969.2.3 Authentication response ............................................................................................................................ 2979.2.3.1 Authentication Response Parameter .................................................................................................... 2979.2.3.2 Authentication Response Parameter (extension) ................................................................................. 2979.2.3aAuthentication Failure .............................................................................................................................. 2979.2.3a.1Authentication Failure parameter ........................................................................................................ 2989.2.4 CM Re-establishment request ................................................................................................................... 2989.2.4.1 Location area identification................................................................................................................. 2989.2.4.2 Mobile Station Classmark ................................................................................................................... 2989.2.4.3 Device properties ................................................................................................................................ 2989.2.5 CM service accept..................................................................................................................................... 2989.2.5aCM service prompt $(CCBS)$.................................................................................................................. 2999.2.6 CM service reject ...................................................................................................................................... 2999.2.6.1 T3246 value......................................................................................................................................... 3009.2.7 CM service abort....................................................................................................................................... 3009.2.8 Abort ......................................................................................................................................................... 3009.2.9 CM service request ................................................................................................................................... 3019.2.9.1 Mobile Station Classmark ................................................................................................................... 3019.2.9.2 Priority ................................................................................................................................................ 3019.2.9.3 Additional update parameters.............................................................................................................. 3019.2.9.4 Device properties ................................................................................................................................ 3019.2.10Identity request ......................................................................................................................................... 3029.2.11Identity response ....................................................................................................................................... 3029.2.12IMSI detach indication.............................................................................................................................. 3029.2.12.1Mobile Station Classmark ................................................................................................................... 3039.2.13Location updating accept .......................................................................................................................... 3039.2.13.1Follow on proceed ............................................................................................................................... 3039.2.13.2CTS permission .............................................................