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ETSI TS 100 940 V7.8.0 (2000-10) Technical Specification Digital cellular telecommunications system (Phase 2+); Mobile radio interface layer 3 specification (GSM 04.08 version 7.8.0 Release 1998) GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS R
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  • 1.ETSI TS 100 940 V7.8.0 (2000-10)Technical SpecificationDigital cellular telecommunications system (Phase 2+);Mobile radio interface layer 3 specification(GSM 04.08 version 7.8.0 Release 1998) R GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS

2. (GSM 04.08 version 7.8.0 Release 1998)2 ETSI TS 100 940 V7.8.0 (2000-10)Reference RTS/TSGN-010408Q7R4Keywords Digital cellular telecommunications system,Global System for Mobile communications (GSM)ETSI650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 CAssociation but non lucratif enregistre laSous-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 at http://www.etsi.org/tb/status/If you find errors in the present document, send your comment to: [email protected] NotificationNo 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 2000.All rights reserved.ETSI 3. (GSM 04.08 version 7.8.0 Release 1998)3ETSI TS 100 940 V7.8.0 (2000-10)ContentsIntellectual Property Rights ..............................................................................................................................27Foreword...........................................................................................................................................................27Introduction ......................................................................................................................................................270 Scope ......................................................................................................................................................280.1Scope of the Technical Specification ...............................................................................................................280.2Application to the interface structures..............................................................................................................280.3Structure of layer 3 procedures.........................................................................................................................280.4Test procedures ................................................................................................................................................280.5Use of logical channels.....................................................................................................................................290.6Overview of control procedures .......................................................................................................................290.6.1 List of procedures .......................................................................................................................................290.7Applicability of implementations .....................................................................................................................310.7.1 Voice Group Call Service (VGCS) and Voice Broadcast Service (VBS)...................................................320.7.2 General Packet Radio Service (GPRS) .......................................................................................................321 References ..............................................................................................................................................332 Definitions and abbreviations.................................................................................................................362.1Random values .................................................................................................................................................362.2Vocabulary .......................................................................................................................................................373 Radio Resource management procedures...............................................................................................383.1 Overview/General ............................................................................................................................................383.1.1 General........................................................................................................................................................383.1.2 Services provided to upper layers ...............................................................................................................383.1.2.1Idle mode ..............................................................................................................................................383.1.2.2Dedicated mode.....................................................................................................................................393.1.2.3Group receive mode ..............................................................................................................................393.1.2.4Group transmit mode.............................................................................................................................393.1.2.5Packet idle mode ...................................................................................................................................403.1.2.6Packet transfer mode .............................................................................................................................403.1.3 Services required from data link and physical layers..................................................................................403.1.4 Change of dedicated channels.....................................................................................................................403.1.4.1Change of dedicated channels using SAPI = 0......................................................................................403.1.4.2Change of dedicated channels using other SAPIs than 0 ......................................................................403.1.4.3Sequenced message transfer operation..................................................................................................413.1.4.3.1Variables and sequence numbers.....................................................................................................413.1.4.3.1.2Send sequence number N(SD) ...................................................................................................413.1.4.3.2Procedures for the initiation, transfer execution and termination of the sequenced message transfer operation.............................................................................................................................413.1.4.3.2.2Transfer Execution.....................................................................................................................413.1.5 Procedure for Service Request and Contention Resolution ........................................................................413.1.6 Preemption..................................................................................................................................................423.2 Idle mode procedures and general procedures in packet idle and packet transfer modes.................................433.2.1 Mobile Station side .....................................................................................................................................433.2.2 Network side...............................................................................................................................................443.2.2.1System information broadcasting..........................................................................................................443.2.2.2Paging ...................................................................................................................................................453.3 RR connection establishment ...........................................................................................................................453.3.1 RR connection establishment initiated by the mobile station .....................................................................453.3.1.1Entering the dedicated mode : immediate assignment procedure .........................................................453.3.1.1.1Permission to access the network ....................................................................................................453.3.1.1.2Initiation of the immediate assignment procedure...........................................................................463.3.1.1.3Answer from the network ................................................................................................................473.3.1.1.3.1On receipt of a CHANNEL REQUEST message ......................................................................473.3.1.1.3.2Assignment rejection .................................................................................................................48 ETSI 4. (GSM 04.08 version 7.8.0 Release 1998)4ETSI TS 100 940 V7.8.0 (2000-10)3.3.1.1.4Assignment completion ...................................................................................................................483.3.1.1.4.1Early classmark sending ............................................................................................................483.3.1.1.4.2GPRS suspension procedure ......................................................................................................493.3.1.1.5Abnormal cases ...............................................................................................................................493.3.1.2 Entering the group transmit mode: uplink access procedure.................................................................493.3.1.2.1Mobile station side ..........................................................................................................................503.3.1.2.1.1Uplink investigation procedure..................................................................................................503.3.1.2.1.2Uplink access procedure ............................................................................................................503.3.1.2.2Network side....................................................................................................................................503.3.1.2.3Abnormal cases ...............................................................................................................................513.3.1.3 Dedicated mode and GPRS ...................................................................................................................513.3.2Paging procedure for RR connection establishment ...................................................................................513.3.2.1 Paging initiation by the network ...........................................................................................................513.3.2.1.1Paging initiation using paging subchannel on CCCH......................................................................523.3.2.1.2Paging initiation using paging subchannel on PCCCH ...................................................................533.3.2.1.3Paging initiation using PACCH.......................................................................................................533.3.2.2 Paging response.....................................................................................................................................533.3.2.3 Abnormal cases .....................................................................................................................................533.3.3Notification procedure ................................................................................................................................543.3.3.1 Notification of a call..............................................................................................................................543.3.3.2 Joining a VGCS or VBS call.................................................................................................................543.3.3.3 Reduced NCH monitoring mechanism..................................................................................................553.3.3.4 Notification response procedure............................................................................................................563.4 Procedures in dedicated mode and in group transmit mode .............................................................................563.4.1SACCH procedures.....................................................................................................................................563.4.1.1 General ..................................................................................................................................................563.4.1.2 Measurement report ..............................................................................................................................573.4.1.3 Extended measurement report $(MAFA)$............................................................................................573.4.2Transfer of messages and link layer service provision ...............................................................................573.4.3Channel assignment procedure ...................................................................................................................583.4.3.1 Channel assignment initiation ...............................................................................................................583.4.3.2 Assignment completion.........................................................................................................................593.4.3.3 Abnormal cases .....................................................................................................................................603.4.4Handover procedure....................................................................................................................................603.4.4.1 Handover initiation................................................................................................................................613.4.4.2 Physical channel establishment.............................................................................................................623.4.4.2.1Finely synchronized cell case ..........................................................................................................633.4.4.2.2Non synchronized cell case .............................................................................................................633.4.4.2.3Pseudo-synchronized cell case ........................................................................................................633.4.4.2.4Pre-synchronized cell case...............................................................................................................643.4.4.3 Handover completion ............................................................................................................................643.4.4.4 Abnormal cases .....................................................................................................................................643.4.5Frequency redefinition procedure ...............................................................................................................653.4.5.1 Abnormal cases .....................................................................................................................................663.4.6Channel mode modify procedure................................................................................................................663.4.6.1 Normal channel mode modify procedure..............................................................................................663.4.6.1.1Initiation of the channel mode modify procedure............................................................................663.4.6.1.2Completion of channel mode modify procedure .............................................................................663.4.6.1.3Abnormal cases ...............................................................................................................................673.4.6.2 Channel mode modify procedure for a voice group call talker .............................................................673.4.6.2.1Initiation of the channel mode modify procedure............................................................................673.4.6.2.2Completion of mode change procedure...........................................................................................673.4.6.2.3Abnormal cases ...............................................................................................................................673.4.7Ciphering mode setting procedure ..............................................................................................................673.4.7.1 Ciphering mode setting initiation..........................................................................................................673.4.7.2 Ciphering mode setting completion ......................................................................................................683.4.8Additional channel assignment procedure ..................................................................................................683.4.8.1 Additional assignment procedure initiation ..........................................................................................693.4.8.2 Additional assignment procedure completion .......................................................................................693.4.8.3 Abnormal cases .....................................................................................................................................693.4.9Partial channel release procedure................................................................................................................693.4.9.1 Partial release procedure initiation ........................................................................................................69 ETSI 5. (GSM 04.08 version 7.8.0 Release 1998)5ETSI TS 100 940 V7.8.0 (2000-10)3.4.9.2 Abnormal cases .....................................................................................................................................693.4.10 Classmark change procedure ......................................................................................................................703.4.11 Classmark interrogation procedure .............................................................................................................703.4.11.1Classmark interrogation initiation .........................................................................................................703.4.11.2Classmark interrogation completion .....................................................................................................703.4.12 Indication of notifications and paging information.....................................................................................703.4.13 RR connection release procedure................................................................................................................703.4.13.1Normal release procedure .....................................................................................................................703.4.13.1.1Channel release procedure initiation in dedicated mode and in group transmit mode ....................713.4.13.1.2Abnormal cases ...............................................................................................................................723.4.13.2Radio link failure in dedicated mode ....................................................................................................723.4.13.2.1Mobile side ......................................................................................................................................723.4.13.2.2Network side....................................................................................................................................723.4.13.3RR connection abortion in dedicated mode ..........................................................................................733.4.13.4Uplink release procedure in group transmit mode ................................................................................733.4.13.5Radio link failure in group transmit mode ............................................................................................733.4.13.5.1Mobile side ......................................................................................................................................733.4.13.5.2Network side....................................................................................................................................733.4.14 Receiving a RR STATUS message by a RR entity.....................................................................................733.4.15 Group receive mode procedures .................................................................................................................743.4.15.1Mobile station side ................................................................................................................................743.4.15.1.1Reception of the VGCS or VBS channel.........................................................................................743.4.15.1.2Monitoring of downlink messages and related procedures..............................................................743.4.15.1.2.1Spare ..........................................................................................................................................743.4.15.1.2.2Spare ..........................................................................................................................................743.4.15.1.2.3Channel mode modify procedure...............................................................................................743.4.15.1.2.4Notification and paging information..........................................................................................743.4.15.1.2.4.1Use of Reduced NCH monitoring ........................................................................................753.4.15.1.2.5Uplink status messages ..............................................................................................................753.4.15.1.2.6Channel release message............................................................................................................753.4.15.1.2.7Information on paging channel restructuring .............................................................................753.4.15.1.3Uplink reply procedure....................................................................................................................753.4.15.1.4Leaving the group receive mode .....................................................................................................763.4.15.2Network side .........................................................................................................................................763.4.15.2.1Provision of messages on the VGCS or VBS channel downlink.....................................................763.4.15.2.2Release of the VGCS or VBS Channels ..........................................................................................773.4.15.3Failure cases..........................................................................................................................................773.4.16 Configuration change procedure.................................................................................................................773.4.16.1Configuration change initiation.............................................................................................................783.4.16.2Configuration change completion .........................................................................................................783.4.16.3Abnormal cases .....................................................................................................................................783.4.17 Mapping of user data substreams onto timeslots in a multislot configuration ............................................783.4.18 Handling of classmark information at band change....................................................................................793.4.19 Assignment to a Packet Data channel .........................................................................................................793.4.19.1Assignment to PDCH initiation.............................................................................................................793.4.19.2Completion of the Assignment to PDCH procedure .............................................................................803.4.19.3Abnormal cases .....................................................................................................................................803.4.20 RR-Network Commanded Cell Change Order ...........................................................................................813.4.20.1RR-network commanded cell change order initiation...........................................................................813.4.20.2Network controlled cell reselection completion....................................................................................823.4.20.3Abnormal cases .....................................................................................................................................823.4.21 Application Procedures...............................................................................................................................833.4.21.1General ..................................................................................................................................................833.4.21.2Application Information Transfer .........................................................................................................833.4.21.2.1Normal Procedure without Segmentation........................................................................................833.4.21.2.2Normal Procedure with Segmentation.............................................................................................833.4.21.2.3Abnormal Cases...............................................................................................................................843.5RR procedures on CCCH related to temporary block flow establishment .......................................................843.5.1Packet paging procedure using CCCH........................................................................................................843.5.1.1 Packet paging initiation by the network ................................................................................................843.5.1.2 On receipt of a packet paging request ...................................................................................................853.5.2Packet access procedure using CCCH ........................................................................................................85 ETSI 6. (GSM 04.08 version 7.8.0 Release 1998)6ETSI TS 100 940 V7.8.0 (2000-10)3.5.2.1 Entering the packet transfer mode: packet access procedure ................................................................853.5.2.1.1 Permission to access the network ....................................................................................................863.5.2.1.2 Initiation of the packet access procedure: channel request ..............................................................863.5.2.1.3 Packet immediate assignment..........................................................................................................863.5.2.1.4 Packet access completion ................................................................................................................893.5.2.1.5 Abnormal cases ...............................................................................................................................893.5.2.2 Sending an RLC/MAC control message: single block packet access procedure ..................................893.5.3Packet downlink assignment procedure using CCCH ................................................................................903.5.3.1 Entering the packet transfer mode: packet downlink assignment procedure.........................................903.5.3.1.2 Initiation of the packet downlink assignment procedure .................................................................903.5.3.1.3 Packet downlink assignment completion.........................................................................................913.5.3.1.4 Abnormal cases ...............................................................................................................................923.5.3.2 Sending an RLC/MAC control message: single block packet downlink assignment procedure...........924 Elementary procedures for Mobility Management.................................................................................924.1 General .............................................................................................................................................................924.1.1MM and GMM procedures .........................................................................................................................934.1.1.1 Types of MM and GMM procedures ....................................................................................................934.1.1.2 MM-GMM co-ordination for GPRS MSs ............................................................................................944.1.1.2.1 GPRS MS operating in mode A or B in a network that operates in mode I ....................................944.1.1.2.2 GPRS MS operating in mode A or B in a network that operates in mode II or III..........................954.1.2MM sublayer states.....................................................................................................................................954.1.2.1 MM sublayer states in the mobile station..............................................................................................954.1.2.1.1 Main states.......................................................................................................................................954.1.2.1.2 Substates of the MM IDLE state .....................................................................................................994.1.2.2 The update Status ................................................................................................................................1004.1.2.3 MM sublayer states on the network side .............................................................................................1014.1.3GPRS mobility management (GMM) sublayer states...............................................................................1024.1.3.1 GMM states in the MS ........................................................................................................................1024.1.3.1.1 Main states.....................................................................................................................................1024.1.3.1.1.1GMM-NULL ...........................................................................................................................1024.1.3.1.1.2GMM-DEREGISTERED ........................................................................................................1024.1.3.1.1.3GMM-REGISTERED-INITIATED.........................................................................................1024.1.3.1.1.4GMM-REGISTERED..............................................................................................................1034.1.3.1.1.5GMM-DEREGISTERED-INITIATED ...................................................................................1034.1.3.1.2.5GMM-DEREGISTERED.NO-IMSI ........................................................................................1034.1.3.1.2.6GMM-DEREGISTERED.NO-CELL-AVAILABLE ..............................................................1034.1.3.1.2.7GMM-DEREGISTERED.PLMN-SEARCH ...........................................................................1034.1.3.1.2.8GMM-DEREGISTERED.SUSPENDED.................................................................................1044.1.3.1.3 Substates of state GMM-REGISTERED.......................................................................................1044.1.3.1.3.1GMM-REGISTERED.NORMAL-SERVICE..........................................................................1044.1.3.1.3.2GMM-REGISTERED.SUSPENDED......................................................................................1044.1.3.1.3.3GMM-REGISTERED.UPDATE-NEEDED............................................................................1044.1.3.1.3.4GMM-REGISTERED.ATTEMPTING-TO-UPDATE............................................................1044.1.3.1.3.5GMM-REGISTERED.NO-CELL-AVAILABLE....................................................................1044.1.3.1.3.7GMM-REGISTERED.ATTEMPTING-TO-UPDATE-MM ...................................................1054.1.3.1.3.8GMM-REGISTERED.IMSI-DETACH-INITIATED..............................................................1054.1.3.2 GPRS update status .............................................................................................................................1054.1.3.3 GMM mobility management states on the network side.....................................................................1064.1.3.3.1 Main States ....................................................................................................................................1064.1.3.3.1.1GMM-DEREGISTERED ........................................................................................................1064.1.3.3.1.2GMM-COMMON-PROCEDURE-INITIATED......................................................................1064.1.3.3.1.3GMM-REGISTERED..............................................................................................................1064.1.3.3.1.4GMM-DEREGISTERED-INITIATED ...................................................................................1064.1.3.3.2 Substates of state GMM-REGISTERED.......................................................................................1074.1.3.3.2.1GMM-REGISTERED.NORMAL-SERVICE..........................................................................1074.1.3.3.2.2GMM-REGISTERED.SUSPENDED......................................................................................1074.2 Behaviour of the MS in MM Idle state, GMM-DEREGISTERED state and GMM-REGISTERED state ....1074.2.1Primary Service State selection ................................................................................................................1084.2.1.1 Selection of the Service State after Power On.....................................................................................1084.2.1.2 Other Cases .........................................................................................................................................1084.2.2Detailed Description of the MS behaviour in MM IDLE State ................................................................109 ETSI 7. (GSM 04.08 version 7.8.0 Release 1998)7 ETSI TS 100 940 V7.8.0 (2000-10)4.2.2.1Service State, NORMAL SERVICE ...................................................................................................1094.2.2.2Service State, ATTEMPTING TO UPDATE .....................................................................................1094.2.2.3Service State, LIMITED SERVICE....................................................................................................1104.2.2.4Service State, NO IMSI.......................................................................................................................1104.2.2.5Service State, SEARCH FOR PLMN, NORMAL SERVICE.............................................................1114.2.2.6Service State, SEARCH FOR PLMN .................................................................................................1114.2.2.7Service State, RECEIVING GROUP CALL (NORMAL SERVICE) ................................................1114.2.2.8Service State, RECEIVING GROUP CALL (LIMITED SERVICE) .................................................1124.2.3 Service state when back to state MM IDLE from another state................................................................1124.2.4 Behaviour in state GMM-DEREGISTERED............................................................................................1134.2.4.1Primary substate selection...................................................................................................................1134.2.4.1.1 Selection of the substate after power on or enabling the MSs GPRS capability...........................1134.2.4.1.2 Other Cases....................................................................................................................................1134.2.4.2Detailed description of the MS behaviour in state GMM-DEREGISTERED.....................................1144.2.4.2.1 Substate, NORMAL-SERVICE ....................................................................................................1144.2.4.2.2 Substate, ATTEMPTING-TO-ATTACH ......................................................................................1144.2.4.2.3 Substate, LIMITED-SERVICE .....................................................................................................1144.2.4.2.4 Substate, NO-IMSI ........................................................................................................................1144.2.4.2.5 Substate, NO-CELL ......................................................................................................................1144.2.4.2.6 Substate, PLMN-SEARCH ...........................................................................................................1154.2.4.2.7 Substate, ATTACH-NEEDED ......................................................................................................1154.2.4.2.8 Substate, SUSPENDED ................................................................................................................1154.2.4.3Substate when back to state GMM-DEREGISTERED from another GMM state ..............................1154.2.5 Behaviour in state GMM-REGISTERED.................................................................................................1154.2.5.1Detailed description of the MS behaviour in state GMM-REGISTERED..........................................1164.2.5.1.1 Substate, NORMAL-SERVICE ....................................................................................................1164.2.5.1.2 Substate, SUSPENDED ................................................................................................................1164.2.5.1.3 Substate, UPDATE-NEEDED.......................................................................................................1164.2.5.1.4 Substate, ATTEMPTING-TO-UPDATE ......................................................................................1164.2.5.1.5 Substate, NO-CELL-AVAILABLE ..............................................................................................1164.2.5.1.6 Substate, LIMITED-SERVICE .....................................................................................................1174.2.5.1.7 Substate, ATTEMPTING-TO-UPDATE-MM ..............................................................................1174.3 MM common procedures ...............................................................................................................................1174.3.1 TMSI reallocation procedure ....................................................................................................................1174.3.1.1TMSI reallocation initiation by the network .......................................................................................1174.3.1.2TMSI reallocation completion by the mobile station ..........................................................................1184.3.1.3TMSI reallocation completion in the network.....................................................................................1184.3.1.4Abnormal cases ...................................................................................................................................1184.3.2 Authentication procedure..........................................................................................................................1194.3.2.1Authentication request by the network................................................................................................1194.3.2.2Authentication response by the mobile station....................................................................................1194.3.2.3Authentication processing in the network ...........................................................................................1194.3.2.4Ciphering key sequence number .........................................................................................................1194.3.2.5Unsuccessful authentication................................................................................................................1194.3.2.6Abnormal cases ...................................................................................................................................1204.3.3 Identification procedure............................................................................................................................1204.3.3.1Identity request by the network...........................................................................................................1214.3.3.2Identification response by the mobile station......................................................................................1214.3.3.3Abnormal cases ...................................................................................................................................1214.3.4 IMSI detach procedure..............................................................................................................................1214.3.4.1IMSI detach initiation by the mobile station .......................................................................................1214.3.4.2IMSI detach procedure in the network ................................................................................................1224.3.4.3IMSI detach completion by the mobile station....................................................................................1224.3.4.4Abnormal cases ...................................................................................................................................1224.3.5 Abort procedure ........................................................................................................................................1224.3.5.1Abort procedure initiation by the network ..........................................................................................1224.3.5.2Abort procedure in the mobile station.................................................................................................1224.3.6 MM information procedure.......................................................................................................................1234.3.6.1MM information procedure initiation by the network.........................................................................1234.3.6.2MM information procedure in the mobile station ...............................................................................1234.4 MM specific procedures .................................................................................................................................1234.4.1 Location updating procedure ....................................................................................................................123ETSI 8. (GSM 04.08 version 7.8.0 Release 1998)8 ETSI TS 100 940 V7.8.0 (2000-10)4.4.2Periodic updating ......................................................................................................................................1244.4.3IMSI attach procedure ..............................................................................................................................1254.4.4Generic Location Updating procedure......................................................................................................1254.4.4.1 Location updating initiation by the mobile station..............................................................................1254.4.4.1aNetwork Request for Additional mobile station Capability Information ............................................1254.4.4.2 Identification request from the network ..............................................................................................1254.4.4.3 Authentication by the network ............................................................................................................1254.4.4.4 Ciphering mode setting by the network ..............................................................................................1264.4.4.5 Attempt Counter..................................................................................................................................1264.4.4.6 Location updating accepted by the network........................................................................................1264.4.4.7 Location updating not accepted by the network..................................................................................1274.4.4.8 Release of RR connection after location updating ..............................................................................1274.4.4.9 Abnormal cases on the mobile station side .........................................................................................1284.4.4.10Abnormal cases on the network side...................................................................................................1294.5 Connection management sublayer service provision .....................................................................................1294.5.1MM connection establishment..................................................................................................................1304.5.1.1 MM connection establishment initiated by the mobile station............................................................1304.5.1.2 Abnormal cases ...................................................................................................................................1324.5.1.3 MM connection establishment initiated by the network .....................................................................1334.5.1.3.1 Mobile Terminating CM Activity..................................................................................................1334.5.1.3.2 Mobile Originating CM Activity $(CCBS)$ .................................................................................1344.5.1.4 Abnormal cases ...................................................................................................................................1344.5.1.5 MM connection establishment for emergency calls ............................................................................1354.5.1.6 Call re-establishment...........................................................................................................................1354.5.1.6.1 Call re-establishment, initiation by the mobile station ..................................................................1364.5.1.6.2 Abnormal cases .............................................................................................................................1374.5.1.7 Forced release during MO MM connection establishment .................................................................1384.5.2MM connection information transfer phase..............................................................................................1384.5.2.1 Sending CM messages ........................................................................................................................1384.5.2.2 Receiving CM messages .....................................................................................................................1384.5.2.3 Abnormal cases ...................................................................................................................................1384.5.3MM connection release.............................................................................................................................1394.5.3.1 Release of associated RR connection..................................................................................................1394.5.3.2 Uplink release in a voice group call ....................................................................................................1394.6 Receiving a MM STATUS message by a MM entity.....................................................................................1394.7 Elementary mobility management procedures for GPRS services .................................................................1394.7.1General......................................................................................................................................................1394.7.1.1 Lower layer failure..............................................................................................................................1404.7.1.2 Ciphering of messages ........................................................................................................................1404.7.1.3 P-TMSI signature ................................................................................................................................1404.7.1.4 Radio resource sublayer address handling ..........................................................................................1404.7.1.5 P-TMSI handling.................................................................................................................................1414.7.1.6 Change of network mode of operation ................................................................................................1414.7.2GPRS Mobility management timers .........................................................................................................1424.7.2.1 READY timer behaviour.....................................................................................................................1424.7.2.2 Periodic routing area updating ............................................................................................................1434.7.3GPRS attach procedure.............................................................................................................................1444.7.3.1 GPRS attach procedure for GPRS services .........................................................................................1454.7.3.1.1 GPRS attach procedure initiation ..................................................................................................1454.7.3.1.2 GMM common procedure initiation..............................................................................................1454.7.3.1.3 GPRS attach accepted by the network...........................................................................................1454.7.3.1.4 GPRS attach not accepted by the network.....................................................................................1464.7.3.1.5 Abnormal cases in the MS.............................................................................................................1474.7.3.1.6 Abnormal cases on the network side .............................................................................................1484.7.3.2 Combined GPRS attach procedure for GPRS and non-GPRS services ..............................................1494.7.3.2.1 Combined GPRS attach procedure initiation.................................................................................1494.7.3.2.2 GMM Common procedure initiation .............................................................................................1504.7.3.2.3 Combined GPRS attach accepted by the network .........................................................................1504.7.3.2.3.1 Combined attach successful for GPRS and non-GPRS services..............................................1504.7.3.2.3.2 Combined attach successful for GPRS services only...............................................................1504.7.3.2.4 Combined GPRS attach not accepted by the network ...................................................................1514.7.3.2.5 Abnormal cases in the MS.............................................................................................................152 ETSI 9. (GSM 04.08 version 7.8.0 Release 1998) 9ETSI TS 100 940 V7.8.0 (2000-10)4.7.3.2.6Abnormal cases on the network side .............................................................................................1524.7.4GPRS detach procedure ............................................................................................................................1524.7.4.1 MS initiated GPRS detach procedure..................................................................................................1534.7.4.1.1MS initiated GPRS detach procedure initiation.............................................................................1534.7.4.1.2MS initiated GPRS detach procedure completion for GPRS services only...................................1534.7.4.1.3MS initiated combined GPRS detach procedure completion.........................................................1534.7.4.1.4Abnormal cases in the MS.............................................................................................................1534.7.4.2 Network initiated GPRS detach procedure .........................................................................................1554.7.4.2.1Network initiated GPRS detach procedure initiation.....................................................................1554.7.4.2.2Network initiated GPRS detach procedure completion by the MS................................................1554.7.4.2.3Network initiated GPRS detach procedure completion by the network ........................................1564.7.4.2.4Abnormal cases on the network side .............................................................................................1564.7.5Routing area updating procedure ..............................................................................................................1574.7.5.1 Normal and periodic routing area updating procedure........................................................................1584.7.5.1.1Normal and periodic routing area updating procedure initiation...................................................1584.7.5.1.2GMM Common procedure initiation .............................................................................................1584.7.5.1.3Normal and periodic routing area updating procedure accepted by the network...........................1584.7.5.1.4Normal and periodic routing area updating procedure not accepted by the network.....................1594.7.5.1.5Abnormal cases in the MS.............................................................................................................1604.7.5.1.6Abnormal cases on the network side .............................................................................................1614.7.5.2 Combined routing area updating procedure ........................................................................................1624.7.5.2.1Combined routing area updating procedure initiation ...................................................................1624.7.5.2.2GMM Common procedure initiation .............................................................................................1634.7.5.2.3Combined routing area updating procedure accepted by the network...........................................1634.7.5.2.3.1 Combined routing area updating successful ............................................................................1634.7.5.2.3.2 Combined routing are updating successful for GPRS services only........................................1644.7.5.2.4Combined routing area updating not accepted by the network......................................................1644.7.5.2.5Abnormal cases in the MS.............................................................................................................1654.7.5.2.6Abnormal cases on the network side .............................................................................................1664.7.6P-TMSI reallocation procedure.................................................................................................................1664.7.6.1 P-TMSI reallocation initiation by the network....................................................................................1664.7.6.2 P-TMSI reallocation completion by the MS .......................................................................................1664.7.6.3 P-TMSI reallocation completion by the network ................................................................................1664.7.6.4 Abnormal cases on the network side...................................................................................................1674.7.7Authentication and ciphering procedure ...................................................................................................1684.7.7.1 Authentication and ciphering initiation by the network ......................................................................1684.7.7.2 Authentication and ciphering response by the MS..............................................................................1694.7.7.3 Authentication and ciphering completion by the network...................................................................1694.7.7.4 GPRS ciphering key sequence number ...............................................................................................1694.7.7.5 Unsuccessful authentication and ciphering .........................................................................................1704.7.7.6 Abnormal cases on the network side...................................................................................................1704.7.8Identification procedure............................................................................................................................1714.7.8.1 Identification initiation by the network ...............................................................................................1714.7.8.2 Identification response by the MS.......................................................................................................1714.7.8.3 Identification completion by the network ...........................................................................................1714.7.8.4 Abnormal cases on the network side...................................................................................................1724.7.9Paging procedure ......................................................................................................................................1734.7.9.1 Paging for GPRS services ...................................................................................................................1734.7.9.1.1Paging for GPRS services using P-TMSI ......................................................................................1734.7.9.1.2Paging for GPRS services using IMSI...........................................................................................1734.7.9.2 Paging for non-GPRS services............................................................................................................1734.7.10 Receiving a GMM STATUS message by a GMM entity .........................................................................1734.7.11 GMM support for anonymous access .......................................................................................................1744.7.11.1MS side ...............................................................................................................................................1744.7.11.2Network side .......................................................................................................................................1744.7.12 GMM Information procedure ...................................................................................................................1744.7.12.1GMM information procedure initiation by the network......................................................................1744.7.12.2GMM information procedure in the mobile station ............................................................................1745 Elementary procedures for circuit-switched Call Control....................................................................1755.1 Overview ........................................................................................................................................................1755.1.1 General......................................................................................................................................................175ETSI 10. (GSM 04.08 version 7.8.0 Release 1998)10 ETSI TS 100 940 V7.8.0 (2000-10)5.1.2 Call Control States ....................................................................................................................................1795.1.2.1 Call states at the mobile station side of the interface ..........................................................................1795.1.2.1.1 Null (State U0) ..............................................................................................................................1795.1.2.1.2 MM Connection pending (U0.1) ...................................................................................................1795.1.2.1.2aCC prompt present (U0.2) $(CCBS)$ ...........................................................................................1805.1.2.1.2bWait for network information (U0.3) $(CCBS)$...........................................................................1805.1.2.1.2cCC-Establishment present (U0.4) $(CCBS)$ ................................................................................1805.1.2.1.2dCC-Establishment confirmed (U0.5) $(CCBS)$ ...........................................................................1805.1.2.1.2eRecall present (U0.6) $(CCBS)$ ...................................................................................................1805.1.2.1.3 Call initiated (U1)..........................................................................................................................1805.1.2.1.4 Mobile originating call proceeding (U3) .......................................................................................1805.1.2.1.5 Call delivered (U4) ........................................................................................................................1805.1.2.1.6 Call present (U6) ...........................................................................................................................1805.1.2.1.7 Call received (U7) .........................................................................................................................1805.1.2.1.8 Connect Request (U8) ...................................................................................................................1805.1.2.1.9 Mobile terminating call confirmed (U9)........................................................................................1815.1.2.1.10Active (U10)..................................................................................................................................1815.1.2.1.11Disconnect request (U11) ..............................................................................................................1815.1.2.1.12Disconnect indication (U12)..........................................................................................................1815.1.2.1.13Release request (U19)....................................................................................................................1815.1.2.1.14Mobile originating modify (U26) ..................................................................................................1815.1.2.1.15Mobile terminating modify (U27) .................................................................................................1815.1.2.2 Network call states ..............................................................................................................................1815.1.2.2.1 Null (State N0) ..............................................................................................................................1815.1.2.2.2 MM connection pending (N0.1) ....................................................................................................1815.1.2.2.2aCC connection pending (N0.2) $(CCBS)$ ....................................................................................1815.1.2.2.2bNetwork answer pending (N0.3) $(CCBS)$..................................................................................1815.1.2.2.2cCC-Establishment present (N0.4) $(CCBS)$ ................................................................................1825.1.2.2.2dCC-Establishment confirmed (N0.5) $(CCBS)$ ...........................................................................1825.1.2.2.3 Call initiated (N1)..........................................................................................................................1825.1.2.2.4 Mobile originating call proceeding (N3) .......................................................................................1825.1.2.2.5 Call delivered (N4) ........................................................................................................................1825.1.2.2.6 Call present (N6) ...........................................................................................................................1825.1.2.2.7 Call received (N7) .........................................................................................................................1825.1.2.2.8 Connect request (N8).....................................................................................................................1825.1.2.2.9 Mobile terminating call confirmed (N9)........................................................................................1825.1.2.2.10Active (N10)..................................................................................................................................1825.1.2.2.11Not used.........................................................................................................................................1825.1.2.2.12Disconnect indication (N12)..........................................................................................................1825.1.2.2.13Release request (N19)....................................................................................................................1835.1.2.2.14Mobile originating modify (N26) ..................................................................................................1835.1.2.2.15Mobile terminating modify (N27) .................................................................................................1835.1.2.2.16Connect Indication (N28) ..............................................................................................................1835.2Call establishment procedures........................................................................................................................1835.2.1 Mobile originating call establishment.......................................................................................................1835.2.1.1 Call initiation.......................................................................................................................................1845.2.1.2 Receipt of a setup message .................................................................................................................1845.2.1.3 Receipt of a CALL PROCEEDING message .....................................................................................1855.2.1.4 Notification of progressing mobile originated call..............................................................................1865.2.1.4.1 Notification of interworking in connection with mobile originated call establishment.................1865.2.1.4.2 Call progress in the PLMN/ISDN environment ............................................................................1865.2.1.5 Alerting ...............................................................................................................................................1865.2.1.6 Call connected.....................................................................................................................................1875.2.1.7 Call rejection .......................................................................................................................................1885.2.1.8 Transit network selection ....................................................................................................................1885.2.1.9 Traffic channel assignment at mobile originating call establishment .................................................1885.2.1.10Call queuing at mobile originating call establishment ........................................................................1885.2.2 Mobile terminating call establishment......................................................................................................1885.2.2.1 Call indication .....................................................................................................................................1885.2.2.2 Compatibility checking .......................................................................................................................1895.2.2.3 Call confirmation ................................................................................................................................1895.2.2.3.1 Response to SETUP ......................................................................................................................189ETSI 11. (GSM 04.08 version 7.8.0 Release 1998)11 ETSI TS 100 940 V7.8.0 (2000-10)5.2.2.3.2Receipt of CALL CONFIRMED and ALERTING by the network ..............................................1905.2.2.3.3Call failure procedures ..................................................................................................................1905.2.2.3.4Called mobile station clearing during mobile terminating call establishment ...............................1905.2.2.4Notification of interworking in connection with mobile terminating call establishment ....................1905.2.2.5Call accept...........................................................................................................................................1915.2.2.6Active indication .................................................................................................................................1915.2.2.7Traffic channel assignment at mobile terminating call establishment.................................................1915.2.2.8Call queuing at mobile terminating call establishment .......................................................................1915.2.2.9User connection attachment during a mobile terminating call ............................................................1925.2.3Network initiated MO call $(CCBS)$ ......................................................................................................1925.2.3.1Initiation ..............................................................................................................................................1925.2.3.2CC-Establishment present ...................................................................................................................1925.2.3.2.1Recall Alignment Procedure..........................................................................................................1935.2.3.3CC-Establishment confirmation..........................................................................................................1945.2.3.4Recall present ......................................................................................................................................1945.2.3.5Traffic channel assignment during network initiated mobile originating call establishment ..............1955.3 Signalling procedures during the "active" state..............................................................................................1955.3.1User notification procedure.......................................................................................................................1955.3.2Call rearrangements ..................................................................................................................................1955.3.3Not used ....................................................................................................................................................1965.3.4Support of Dual Services ..........................................................................................................................1965.3.4.1Service Description .............................................................................................................................1965.3.4.2Call establishment ...............................................................................................................................1965.3.4.2.1Mobile Originating Establishment.................................................................................................1965.3.4.2.2Mobile Terminating Establishment ...............................................................................................1975.3.4.3Changing the Call Mode .....................................................................................................................1975.3.4.3.1Initiation of in-call modification....................................................................................................1985.3.4.3.2Successful completion of in-call modification ..............................................................................1985.3.4.3.3Change of the channel configuration.............................................................................................1985.3.4.3.4Failure of in-call modification .......................................................................................................1985.3.4.3.4.1Network rejection of in-call modification................................................................................1985.3.4.3.4.2Mobile station rejection of in-call modification.......................................................................1995.3.4.3.4.3Time-out recovery....................................................................................................................1995.3.4.4Abnormal procedures ..........................................................................................................................1995.3.5User initiated service level up- and downgrading.....................................................................................1995.3.5.1Initiation of service level up- and downgrading..................................................................................2005.3.5.2Successful completion of service level up- and downgrading ............................................................2005.3.5.3Rejection of service level up- and downgrading .................................................................................2005.3.5.4Time-out recovery...............................................................................................................................2005.4 Call clearing ...................................................................................................................................................2005.4.1Terminology .............................................................................................................................................2005.4.2Exception conditions.................................................................................................................................2015.4.3Clearing initiated by the mobile station ....................................................................................................2015.4.3.1Initiation of call clearing .....................................................................................................................2015.4.3.2Receipt of a DISCONNECT message from the mobile station...........................................................2015.4.3.3Receipt of a RELEASE message from the network ............................................................................2025.4.3.4Receipt of a RELEASE COMPLETE message from the mobile station ............................................2025.4.3.5Abnormal cases ...................................................................................................................................2025.4.4Clearing initiated by the network..............................................................................................................2025.4.4.1Clearing initiated by the network: mobile does not support "Prolonged Clearing Procedure" ...........2025.4.4.1.1Clearing when tones/announcements provided .............................................................................2025.4.4.1.2Clearing when tones/announcements not provided .......................................................................2035.4.4.1.3Completion of clearing ..................................................................................................................2035.4.4.2Clearing initiated by the network: mobile supports "Prolonged Clearing Procedure" ........................2035.4.4.2.1Clearing when tones/announcements provided and the network does not indicate that "CCBS activation is possible" ....................................................................................................................2045.4.4.2.2Clearing when the network indicates that "CCBS activation is possible" .....................................2045.4.4.2.3Clearing when tones/announcements are not provided and the network does not indicate that "CCBS activation is possible" .......................................................................................................2055.4.4.2.4Receipt of a RELEASE message from the mobile station.............................................................2065.4.4.2.5Completion of clearing ..................................................................................................................2065.4.5Clear collision ...........................................................................................................................................207ETSI 12. (GSM 04.08 version 7.8.0 Release 1998)12 ETSI TS 100 940 V7.8.0 (2000-10)5.5 Miscellaneous procedures ..............................................................................................................................2075.5.1In-band tones and announcements ............................................................................................................2075.5.2Call collisions ...........................................................................................................................................2075.5.3Status procedures ......................................................................................................................................2075.5.3.1Status enquiry procedure.....................................................................................................................2075.5.3.2Reception of a STATUS message by a CC entity...............................................................................2085.5.3.2.1 STATUS message with incompatible state ...................................................................................2085.5.3.2.2 STATUS message with compatible state ......................................................................................2085.5.4Call re-establishment, mobile station side ................................................................................................2085.5.4.1Indication from the mobility management sublayer............................................................................2085.5.4.2Reaction of call control .......................................................................................................................2085.5.4.3Completion of re-establishment ..........................................................................................................2095.5.4.4Unsuccessful outcome.........................................................................................................................2095.5.5Call re-establishment, network side ..........................................................................................................2095.5.5.1State alignment....................................................................................................................................2095.5.6Progress ....................................................................................................................................................2095.5.7DTMF protocol control procedure............................................................................................................2095.5.7.1Start DTMF request by the mobile station ..........................................................................................2105.5.7.2Start DTMF response by the network .................................................................................................2105.5.7.3Stop DTMF request by the mobile station ..........................................................................................2105.5.7.4Stop DTMF response by the network..................................................................................................2105.5.7.5Sequencing of subsequent start DTMF requests by the mobile station...............................................2106 Support for packet services ..................................................................................................................2116.1 GPRS Session management ...........................................................................................................................2116.1.1 General......................................................................................................................................................2116.1.1.1Radio resource sublayer address handling for anonymous access ......................................................2116.1.2 Session management states .......................................................................................................................2116.1.2.1Session management states in the MS.................................................................................................2116.1.2.1.1PDP-INACTIVE............................................................................................................................2126.1.2.1.2PDP-ACTIVE-PENDING .............................................................................................................2126.1.2.1.3PDP-INACTIVE-PENDING.........................................................................................................2126.1.2.1.4PDP-ACTIVE................................................................................................................................2126.1.2.2Session management states on the network side .................................................................................2126.1.2.2.1PDP-INACTIVE............................................................................................................................2126.1.2.2.2PDP-ACTIVE-PENDING .............................................................................................................2136.1.2.2.3PDP-INACTIVE-PENDING.........................................................................................................2136.1.2.2.4PDP-ACTIVE................................................................................................................................2136.1.2.2.5PDP-MODIFY-PENDING............................................................................................................2136.1.3 Session Management procedures..............................................................................................................2136.1.3.1PDP context activation ........................................................................................................................2136.1.3.1.1Successful PDP context activation initiated by the mobile station ................................................2146.1.3.1.2Successful PDP context activation requested by the network .......................................................2146.1.3.1.3Unsuccessful PDP context activation initiated by the MS.............................................................2146.1.3.1.4Unsuccessful PDP context activation requested by the network ...................................................2156.1.3.1.5Abnormal cases .............................................................................................................................2156.1.3.2PDP context modification procedure ..................................................................................................2166.1.3.2.1Abnormal cases .............................................................................................................................2176.1.3.3PDP context deactivation procedure ...................................................................................................2176.1.3.3.1PDP context deactivation initiated by the MS ...............................................................................2176.1.3.3.2PDP context deactivation initiated by the network........................................................................2176.1.3.3.3Abnormal cases .............................................................................................................................2186.1.3.4AA PDP context activation .................................................................................................................2186.1.3.4.1Successful AA PDP context activation initiated by the mobile station .........................................2196.1.3.4.2Unsuccessful AA PDP context activation .....................................................................................2196.1.3.4.3Abnormal cases .............................................................................................................................2196.1.3.5AA PDP context deactivation .............................................................................................................2206.1.3.5.1Implicit AA PDP context deactivation ..........................................................................................2206.1.3.5.2Explicit AA PDP context deactivation ..........................................................................................2206.1.3.5.3Abnormal cases .............................................................................................................................2206.1.3.6Receiving a SM STATUS message by a SM entity ............................................................................221ETSI 13. (GSM 04.08 version 7.8.0 Release 1998) 13ETSI TS 100 940 V7.8.0 (2000-10)7 Examples of structured procedures ......................................................................................................2217.1 General ...........................................................................................................................................................2217.1.1Paging request...........................................................................................................................................2217.1.2Immediate assignment ............................................................................................


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