【正文】 S MS operating in mode A or B in a work that operates in mode I ..................................................... 36 GPRS MS operating in mode A or B in a work that operates in mode II or III.......................................... 36 Core Network System Information for MM (UMTS only)........................................................................................ 36 Core Network System Information for GMM (UMTS only) .................................................................................... 37 MM sublayer states ........................................................................................................................................................... 37 MM sublayer states in the mobile station...................................................................................................................... 37 Main states.................................................................................................................................................................... 37 Substates of the MM IDLE state .............................................................................................................................. 41 The update Status .............................................................................................................................................................. 42 MM sublayer states on the work side ....................................................................................................................... 43 GPRS mobility management (GMM) sublayer states ................................................................................................. 44 GMM states in the MS...................................................................................................................................................... 44 Main states.................................................................................................................................................................... 44 Substates of state GMMDEREGISTERED .......................................................................................................... 45 Substates of state GMMREGISTERED ................................................................................................................ 46 GPRS update status ........................................................................................................................................................... 48 GMM mobility management states on the work side ............................................................................................ 48 Main States ................................................................................................................................................................... 48 Substates of state GMMREGISTERED ................................................................................................................ 49 Behaviour of the MS in MM Idle state, GMMDEREGISTERED state and GMMREGISTERED state.............. 49 Primary Service State selection....................................................................................................................................... 50 Selection of the Service State after Power On.............................................................................................................. 50 Other Cases......................................................................................................................................................................... 50 Detailed Description of the MS behaviour in MM IDLE State................................................................................. 51 Service State, NORMAL SERVICE .............................................................................................................................. 51 Service State, ATTEMPTING TO UPDATE............................................................................................................... 51 Service State, LIMITED SERVICE ............................................................................................................................... 52 3GPP 3GPP TS (202006) Release 4 4 Service State, NO IMSI .................................................................................................................................................... 52 Service State, SEARCH FOR PLMN, NORMAL SERVICE ................................................................................... 53 Service State, SEARCH FOR PLMN ............................................................................................................................ 53 Service State, RECEIVING GROUP CALL (NORMAL SERVICE) ..................................................................... 53 Service State, RECEIVING GROUP CALL (LIMITED SERVICE) ...................................................................... 54 Service state when back to state MM IDLE from another state ................................................................................ 54 Behaviour in state GMMDEREGISTERED ............................................................................................................... 55 Primary substate selection................................................................................................................................................ 55 Selection of the substate after power on or enabling the MS39。s GPRS capability ............................................. 55 Other Cases .................................................................................................................................................................. 56 Detailed description of the MS behaviour in state GMMDEREGISTERED ........................................................ 56