【正文】 s GPRS capability ............................................. 55 Other Cases .................................................................................................................................................................. 56 Detailed description of the MS behaviour in state GMMDEREGISTERED ........................................................ 56 Substate, NORMALSERVICE ............................................................................................................................... 56 Substate, ATTEMPTINGTOATTACH ............................................................................................................... 56 Substate, LIMITEDSERVICE ................................................................................................................................ 56 Substate, NOIMSI ..................................................................................................................................................... 56 Substate, NOCELL.................................................................................................................................................... 56 Substate, PLMNSEARCH ....................................................................................................................................... 57 Substate, ATTACHNEEDED ................................................................................................................................. 57 Substate, SUSPENDED (GSM only) ...................................................................................................................... 57 Substate when back to state GMM DEREGISTERED from another GMM state................................................. 57 Behaviour in state GMMREGISTERED ..................................................................................................................... 57 Detailed description of the MS behaviour in state GMMREGISTERED .............................................................. 58 Substate, NORMALSERVICE ............................................................................................................................... 58 Substate, SUSPENDED (GSM only) ...................................................................................................................... 58 Substate, UPDATENEEDED .................................................................................................................................. 58 Substate, ATTEMPTINGTOUPDATE ................................................................................................................ 58 Substate, NOCELLAVAILABLE......................................................................................................................... 58 Substate, LIMITEDSERVICE ................................................................................................................................ 59 Substate, ATTEMPTINGTOUPDATEMM ...................................................................................................... 59 Substate, PLMNSEARCH ....................................................................................................................................... 59 MM mon procedures ....................................................................................................................................................... 59 TMSI reallocation procedure........................................................................................................................................... 59 TMSI reallocation initiation by the work................................................................................................................. 60 TMSI reallocation pletion by the mobile station .................................................................................................. 60 TMSI reallocation pletion in the work.............................................................................................................. 60 Abnormal cases.................................................................................................................................................................. 60 Authentication procedure ................................................................................................................................................. 61 Authentication procedure used for a UMTS authentication challenge .................................................................... 61 Authentication Procedure used for a GSM authentication challenge ....................................................................... 61 Authentication request by the work .......................................................................................................................... 62 Authentication response by the mobile station............................................................................................................. 62 Authentication processing in the work ..................................................................................................................... 62 Ciphering key sequence number ..................................................................................................................................... 63 Authentication not accepted by the work................................................................................................................. 63 Authentication not accepted by the MS .................................................................................................................. 64 Abnormal cases.................................................................................................................................................................. 64 MS behaviour towards a work that has faile