呼叫信令流程

SIGFLOW1/23/2020TarunSharmaCopyrightNokiaTelecommunicationsNOKIATELECOMMUNICATIONSRADIOACCESSPARTESTABLISHMENTPARTMOBILEORIGINATEDCALL(1)MSCBSCBTSMSVLRImm.Assign.Command5Imm.AssignmentChannelRequired2UA(SDCCH)10ChannelActivation43ChannelActivationAck.4ProcessAccessRequest11ChannelRequest1RACHImmediateAssignment76AGCHCMServiceRequest9CL3Info.CREstablishIndicationCMServiceRequest87CMServiceRequestSDCCHSABMCCSIGFLOW1/23/2020TarunSharmaCopyrightNokiaTelecommunicationsNOKIATELECOMMUNICATIONSAUTHENTICATIONPARTMOBILEORIGINATEDCALL(2)MSCBSCBTSMSVLR24AccessRequestAcceptedAuthenticate12Auth.ResponseDT116Auth.Response1719CipherModeCmd.DT1SetCipheringMode18CipherModeComplete23DT1EncryptionCmd.CipheringModeCmd.2025ForwardNewTMSITMSIRealloc.Cmd.DT126TMSIAcknowledge3029TMSIRealloc.Compl.DT1TMSIREALLOCATIONPARTCIPHERINGPART14SDCCHAuthenticationResponseSDCCHTMSIReallocationCommandDataRequestCipheringModeCmd.21SDCCHCipheringModeCompleteSDCCH27SDCCHTMSIReallocationCompleteSDCCHAuth.RequestDT113AuthenticationRequestDataRequest15DataIndication22DataIndication28DataIndicationSIGFLOW1/23/2020TarunSharmaCopyrightNokiaTelecommunicationsNOKIATELECOMMUNICATIONSMOBILEORIGINATEDCALL(3)MSCBSCBTSMSVLR32SetupDT1SendInfo.forO.G.Call3335CallProceedingDT1CompleteCall3437AssignmentReq.DT1PhysicalContextRequest38Phy.Cont.Confirmed39ChannelActivation40ChannelAct.Ack.41SABM(FACCH)43EstablishIndication44UA(FACCH)45DataRequestCallProceedingDataIndication31SetupSDCCH36SDCCHAssignmentCommandDataRequest42SDCCHCALLSETUPPARTTCHSEIZEDSIGFLOW1/23/2020TarunSharmaCopyrightNokiaTelecommunicationsNOKIATELECOMMUNICATIONSMOBILEORIGINATEDCALL(4)MSCBSCBTSMSVLR47Assign.Compl.DT1DataIndication4650AlertingDT149RFChannelReleaseAck.48RFChannelReleaseTCHSEIZED52ConnectDT155ConnectAck.DT1CONV.PARTAlertingDataRequestConnectDataRequestAssignmentCompleteFACCH51FACCH53FACCHConnectAcknowledgeFACCHMeasurementReport56SACCH54DataIndication57Meas.ResultSIGFLOW1/23/2020TarunSharmaCopyrightNokiaTelecommunicationsNOKIATELECOMMUNICATIONSMOBILEORIGINATEDCALL(5)MSCBSCBTSMSVLR59DisconnectDT160ReleaseDT163ReleaseCompl.DT164ClearCommandDT1DeactivateSACCH6667DISC(FACCH)UA(FACCH)68ReleaseIndication69RFChannelRelease7072ClearCompleteDT1RFChan.ReleaseAck.71RLSD73SCCPReleased74RLCSCCPReleasedAck.RELEASEBYMSDataIndication58ReleaseDataRequestDisconnectFACCH61FACCHReleaseCompleteFACCHChannelReleaseDataRequest65FACCH62DataIndicationSIGFLOW1/23/2020TarunSharmaCopyrightNokiaTelecommunicationsNOKIATELECOMMUNICATIONSESTAB.PARTMOBILETERMINATEDCALL(1)MSCBSCBTSMSVLRImm.Assign.Command8Imm.AssignmentChannelRequired5UA(SDCCH)13ChannelActivation46ChannelActivationAck.7ProcessAccessRequest11ChannelRequest4RACHImmediateAssignment79AGCHPagingResponse12CL3Info.CREstablishIndicationPagingResponse11Paging1UDTPagingCommand2PagingRequest73PCH10PagingResponseSDCCHSABMCCPAGINGPARTRADIOACCESSPARTSIGFLOW1/23/2020TarunSharmaCopyrightNokiaTelecommunicationsNOKIATELECOMMUNICATIONSAUTHENTICATIONPARTMOBILETERMINATEDCALL(2)MSCBSCBTSMSVLRAuthenticateAccessRequestAcceptedAuth.ResponseDT117Auth.Response1718CipherModeCmd.DT1SetCipheringMode18CipherModeComplete22DT1EncryptionCmd.CipheringModeCmd.19ForwardNewTMSITMSIRealloc.Cmd.DT123TMSIAcknowledge26TMSIRealloc.Compl.DT1TMSIREALLOCATIONPARTCIPHERINGPARTAuthenticationResponseSDCCHTMSIReallocationCommandDataRequestCipheringModeCmd.20SDCCHCipheringModeCompleteSDCCH24SDCCHTMSIReallocationCompleteSDCCHAuth.RequestDT11415SDCCHAuthenticationRequestDataRequest16DataIndication21DataIndication25DataIndicationSIGFLOW1/23/2020TarunSharmaCopyrightNokiaTelecommunicationsNOKIATELECOMMUNICATIONSMOBILETERMINATEDCALL(3)MSCBSCBTSMSVLR27SetupDT1CompleteIncomingCall30CallConfirmedDT131AssignmentReq.DT1PhysicalContextRequest32Phy.Cont.Confirmed33ChannelActivation34ChannelAct.Ack.35SABM(FACCH)37EstablishIndication38UA(FACCH)3928SDCCHCallConfirmedSDCCHAssignmentCommandDataRequest36SDCCH29DataRequestSetupDataIndicationCALLSETUPPARTTCHSEIZEDSIGFLOW1/23/2020TarunSharmaCopyrightNokiaTelecommunicationsNOKIATELECOMMUNICATIONSMOBILETERMINATEDCALL(4)MSCBSCBTSMSVLR41Assign.Compl.DT1DataIndication4045AlertingDT143RFChannelReleaseAck.42RFChannelReleaseTCHSEIZED47ConnectDT148ConnectAck.DT1CONV.PARTDataRequestDataRequestAssignmentCompleteFACCH44AlertingFACCHConnect46FACCHFACCHConnectAcknowledge49DataIndication51Meas.ResultMeasurementReport50SACCHSIGFLOW1/23/2020TarunSharmaCopyrightNokiaTelecommunicationsNOKIATELECOMMUNICATIONSMOBILETERMINATEDCALL(5)MSCBSCBTSMSVLR53DisconnectDT154ReleaseDT157ReleaseCompl.DT158ClearCommandDT1DeactivateSACCH6061DISC(FACCH)UA(FACCH)62ReleaseIndication63RFChannelRelease6466ClearCompleteDT1RFChan.ReleaseAck.6568RLCSCCPReleasedAck.RELEASEBYMSDataIndication52ReleaseDataRequestDisconnectFACCH55FACCHReleaseCompleteFACCHChannelReleaseDataRequest59FACCH56DataIndication67SCCPReleasedRLSDSIGFLOW1/23/2020TarunSharmaCopyrightNokiaTelecommunicationsNOKIATELECOMMUNICATIONSRADIOACCESSPARTLOCATIONUPDATE(1)MSCBSCBTSMSVLRImm.Assign.Command5Imm.AssignmentChannelRequired2UA(SDCCH)10ChannelActivation43Chann