GSM呼叫流程大全.ppt

channelrequest MS BTS BSC MSC VLR channelrequest MS BTS BSC MSC VLR establishmentcauseanswerforpaging MTC emergencycallcallre establishmentuserrequest MOC SMS suppl service otherserives loc update IMSIdetach randomnumber channelrequest MS BTS BSC MSC VLR channelrequired channelrequest MS BTS BSC MSC VLR channelrequired BSCstartssearchingforaSDCCHchannel channelavailable reservation nochannelavailable blocking channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes BSCstartssearchingforaSDCCHchannel channelavailable reservation nochannelavailable blocking channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment informationincludedpagemodetimingadvancechanneldescriptiontimeslotsubchanneltrainingsequencecodeRFchannelnumbertimer3101startedintheBSC channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign informationincludedpagemodetimingadvancechanneldescriptiontimeslotsubchanneltrainingsequencecodeRFchannelnumbertimer3101startedintheBSC channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment ESTABLISHMENTPART channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest requiredservicemobileoriginatedcall SMSmobileterminatedcall SMSlocationupdatecallre establishmentIMSIdetachrequesttimer3101startedinthemobile channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication timer3101stoppedintheBSC channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update timer3101stoppedintheBSC channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest SDCCHassign channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest SDCCHassign BSCstartstoinitiatesignallingconnectioncontrolpart SCCP connection channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA timer3101stoppedinthemobile channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest CYPHERING ENCRYPTIONPART channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest A3 SRES RAND Ki first8bits channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest authenticationresponse channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest authenticationresponse authenticationresponse channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest authenticationresponse authenticationresponse authenticationresponse channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest authenticationresponse authenticationresponse authenticationresponse setcipheringmode channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest authenticationresponse authenticationresponse authenticationresponse setcipheringmode cipheringmodecommand channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest authenticationresponse authenticationresponse authenticationresponse setcipheringmode cipheringmodecommand encryptioncommand channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest authenticationresponse authenticationresponse authenticationresponse setcipheringmode cipheringmodecommand encryptioncommand cipheringmodecommand channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest authenticationresponse authenticationresponse authenticationresponse setcipheringmode cipheringmodecommand encryptioncommand cipheringmodecommand A8 cipheringkey Kc RAND Ki channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest authenticationresponse authenticationresponse authenticationresponse setcipheringmode cipheringmodecommand encryptioncommand cipheringmodecommand cipheringmodecomplete channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest authenticationresponse authenticationresponse authenticationresponse setcipheringmode cipheringmodecommand encryptioncommand cipheringmodecommand cipheringmodecomplete cipheringmodecomplete channelrequest MS BTS BSC MSC VLR channelrequired SDCCHseizatt SDCCHbusyatt GhostCCCHRes channelactivation channelact ackn immediateassignment SDCCHassign immediateassignment CMservicerequest establishindication Succ Seiz Orig Succ Seiz Term SDCCHcallreest SDCCHemerg callSucc SMSest Unsucc SMSest SDCCHloc update CMservicerequest UA processaccessrequest authenticaterequest authenticationrequest authenticationrequest authenticationresponse authenticationresponse authenticationresponse setcipheringmode cipheringmodecommand encryptioncommand cipheringmodecommand cipheringmodecomplete cipheringmodecomplete accessrequestaccepted MS BTS BSC MSC VLR forwardnewTMSI MS BTS BSC MSC VLR forwardnewTMSI TMSImand combintationofnewTMSIandLAIcombintationofIMSIandLAI MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH numberofthecalledsubscribertypeofcall speech data MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding callproceeding MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding callproceeding assignmentrequest MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding callproceeding assignmentrequest commandfromMSCtoBSCtoactivatechannelintheA interface MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding callproceeding assignmentrequest phys contextrequest MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding callproceeding assignmentrequest phys contextrequest phys contextconfirm MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding callproceeding assignmentrequest phys contextrequest phys contextconfirm BSCstartssearchingforaTCHchannel nochannelavailable queing channelavailable reservation activation MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding callproceeding assignmentrequest phys contextrequest phys contextconfirm TCHrequestTCHnormseizTCHreq rej lack A BSC BSCstartssearchingforaTCHchannel nochannelavailable queing channelavailable reservation activation MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding callproceeding assignmentrequest phys contextrequest phys contextconfirm TCHrequestTCHnormseizTCHreq rej lack A BSC channelactivation MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding callproceeding assignmentrequest phys contextrequest phys contextconfirm TCHrequestTCHnormseizTCHreq rej lack A BSC channelactivation channelact acknowledge MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding callproceeding assignmentrequest phys contextrequest phys contextconfirm TCHrequestTCHnormseizTCHreq rej lack A BSC channelactivation channelact acknowledge assignmentcommand MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding callproceeding assignmentrequest phys contextrequest phys contextconfirm TCHrequestTCHnormseizTCHreq rej lack A BSC channelactivation channelact acknowledge assignmentcommand informationincludedchanneldescriptiontimeslotsubchanneltrainingsequencecodeRFchannelnumberchannelmode speech data powerleveltimer3107startedmobilechangesfromSDCCHtoTCH MS BTS BSC MSC VLR forwardnewTMSI TMSImand TMSIreallocationcom TMSIreallocationcomplete TMSIplete TMSIackn setup SDCCH setup sendinfoforoutg call completecall callproceeding callproceeding assignmentrequest phys contextrequest phys contextconfirm TCHrequestTCHnormseizTCHreq rej lac