【正文】 76 Abnormal cases on the mobile station side ................................................................................................................... 76 Abnormal cases on the work side ....................................................................................................................... 77 Void ..................................................................................................................................................................................... 78 Void ..................................................................................................................................................................................... 78 Connection management sublayer service provision......................................................................................................... 78 MM connection establishment ........................................................................................................................................ 78 MM connection establishment initiated by the mobile station .................................................................................. 78 Abnormal cases.................................................................................................................................................................. 81 MM connection establishment initiated by the work............................................................................................. 82 Mobile Terminating CM Activity ............................................................................................................................ 82 Mobile Originating CM Activity $(CCBS)$ .......................................................................................................... 82 Paging response in UMTS (UMTS only) ............................................................................................................... 83 Abnormal cases.................................................................................................................................................................. 84 MM connection establishment for emergency calls .................................................................................................... 84 Call reestablishment ........................................................................................................................................................ 84 Call reestablishment, initiation by the mobile station ......................................................................................... 84 Abnormal cases ........................................................................................................................................................... 86 Forced release during MO MM connection establishment ........................................................................................ 87 MM connection information transfer phase.................................................................................................................. 87 Sending CM messages...................................................................................................................................................... 87 Receiving CM messages .................................................................................................................................................. 87 Abnormal cases.................................................................................................................................................................. 87 MM connection release .................................................................................................................................................... 88 Release of associated RR connection............................................................................................................................. 88 Uplink release in a voice group call ............................................................................................................................... 88 Receiving a MM STATUS message by a MM entity. ...................................................................................................... 88 Elementary mobility management procedures for GPRS services .................................................................................. 89 General ................................................................................................................................................................................ 89 Lower layer failure ............................................................................................................................................................ 89 Ciphering of messages (GSM only) ............................................................................................................................... 89 PTMSI signature .............................................................................................................................................................. 89 Radio resource sublayer address handling .................................................................................................................... 89 Radio resource sublayer address handling (GSM only) ....................................................................................... 90 PTMSI handling ............................................................................................................................................................... 90 PTMSI handling in GSM ......................................................................................................................................... 90 PTMSI handling in UMTS........................................................................................