ETSI
ETSI TS 124 008 V15.3.0 (2018
3GPP TS 24.008 version 15.3.0 Release 15
4.1.3.1.1 Main states ....................................................................................................................................... 69
4.1.3.1.2 Substates of state GMM-DEREGISTERED.................................................................................... 69
4.1.3.1.3 Substates of state GMM-REGISTERED ......................................................................................... 70
4.1.3.2 GPRS update status ............................................................................................................................... 72
4.1.3.3 GMM mobility management states on the network side ....................................................................... 72
4.1.3.3.1 Main States ...................................................................................................................................... 73
4.1.3.3.2 Substates of state GMM-REGISTERED ......................................................................................... 73
4.2 Behaviour of the MS in MM Idle state, GMM-DEREGISTERED state and GMM-REGISTERED state ...... 74
4.2.1 Primary Service State selection .................................................................................................................. 74
4.2.1.1 Selection of the Service State after Power On....................................................................................... 74
4.2.1.2 Other Cases ........................................................................................................................................... 75
4.2.2 Detailed Description of the MS behaviour in MM IDLE State. ................................................................. 75
4.2.2.1 Service State, NORMAL SERVICE ..................................................................................................... 75
4.2.2.2 Service State, ATTEMPTING TO UPDATE ....................................................................................... 76
4.2.2.3 Service State, LIMITED SERVICE ...................................................................................................... 76
4.2.2.4 Service State, NO IMSI ......................................................................................................................... 77
4.2.2.5 Service State, SEARCH FOR PLMN, NORMAL SERVICE ............................................................... 77
4.2.2.6 Service State, SEARCH FOR PLMN ................................................................................................... 78
4.2.2.7 Service State, RECEIVING GROUP CALL (NORMAL SERVICE) .................................................. 78
4.2.2.8 Service State, RECEIVING GROUP CALL (LIMITED SERVICE) ................................................... 78
4.2.2.9 Service State, eCALL INACTIVE ........................................................................................................ 79
4.2.3 Service state when back to state MM IDLE from another state .................................................................. 79
4.2.4 Behaviour in state GMM-DEREGISTERED.............................................................................................. 80
4.2.4.1 Primary substate selection ..................................................................................................................... 80
4.2.4.1.1 Selection of the substate after power on or enabling the MS's GPRS capability ............................. 80
4.2.4.1.2 Other Cases ...................................................................................................................................... 81
4.2.4.2 Detailed description of the MS behaviour in state GMM-DEREGISTERED ....................................... 81
4.2.4.2.1 Substate, NORMAL-SERVICE ...................................................................................................... 81
4.2.4.2.2 Substate, ATTEMPTING-TO-ATTACH ........................................................................................ 81
4.2.4.2.3 Substate, LIMITED-SERVICE ....................................................................................................... 81
4.2.4.2.4 Substate, NO-IMSI .......................................................................................................................... 82
4.2.4.2.5 Substate, NO-CELL ........................................................................................................................ 82
4.2.4.2.6 Substate, PLMN-SEARCH ............................................................................................................. 82
4.2.4.2.7 Substate, ATTACH-NEEDED ........................................................................................................ 82
4.2.4.2.8 Substate, SUSPENDED (A/Gb mode only) .................................................................................... 82
4.2.4.3 Substate when back to state GMM-DEREGISTERED from another GMM state ................................ 82
4.2.5 Behaviour in state GMM-REGISTERED ................................................................................................... 82
4.2.5.1 Detailed description of the MS behaviour in state GMM-REGISTERED ............................................ 83
4.2.5.1.1 Substate, NORMAL-SERVICE ...................................................................................................... 83
4.2.5.1.2 Substate, SUSPENDED (A/Gb mode only) .................................................................................... 83
4.2.5.1.3 Substate, UPDATE-NEEDED ......................................................................................................... 83
4.2.5.1.4 Substate, ATTEMPTING-TO-UPDATE ........................................................................................ 83
4.2.5.1.5 Substate, NO-CELL-AVAILABLE ................................................................................................ 84
4.2.5.1.6 Substate, LIMITED-SERVICE ....................................................................................................... 84
4.2.5.1.7 Substate, ATTEMPTING-TO-UPDATE-MM ................................................................................ 84
4.2.5.1.8 Substate, PLMN-SEARCH ............................................................................................................. 85
4.3 MM common procedures ................................................................................................................................. 85
4.3.1 TMSI reallocation procedure ...................................................................................................................... 85
4.3.1.0 General .................................................................................................................................................. 85
4.3.1.1 TMSI reallocation initiation by the network ......................................................................................... 86
4.3.1.2 TMSI reallocation completion by the mobile station ............................................................................ 86
4.3.1.3 TMSI reallocation completion in the network....................................................................................... 86
4.3.1.4 Abnormal cases in the mobile station.................................................................................................... 86
4.3.1.5 Abnormal cases on the network side ..................................................................................................... 86
4.3.2 Authentication procedure ............................................................................................................................ 87
4.3.2a Authentication procedure used for a UMTS authentication challenge .................................................. 87
4.3.2b Authentication Procedure used for a GSM authentication challenge .................................................... 87
4.3.2.1 Authentication request by the network .................................................................................................. 87
4.3.2.2 Authentication response by the mobile station ...................................................................................... 88
4.3.2.3 Authentication processing in the network ............................................................................................. 88
4.3.2.3a 128-bit circuit-switched GSM ciphering key ........................................................................................ 89
4.3.2.4 Ciphering key sequence number ........................................................................................................... 89
