【正文】 eveloped within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP. The present document has not been subject to any approval process by the 3GPP Organisational Partners and shall not be implemented. This Specification is provided for future development work within 3GPP only. The Organisational Partners accept no liability for any use of this Specification. Specifications and reports for implementation of the 3GPP TM system should be obtained via the 3GPP Organisational Partners39。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