GSM呼叫流程动画

NOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLR•establishmentcauseanswerforpaging(MTC)emergencycallcallre-establishmentuserrequest(MOC,SMS,suppl.service)otherserives(loc.update,IMSIdetach)•randomnumberNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequired•BSCstartssearchingforaSDCCHchannel-channelavailable-reservation-nochannelavailable-blockingNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.•BSCstartssearchingforaSDCCHchannel-channelavailable-reservation-nochannelavailable-blockingNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.NOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignment•informationincludedpagemodetimingadvancechanneldescriptiontimeslotsubchanneltrainingsequencecodeRFchannelnumber•timer3101startedintheBSCNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.•informationincludedpagemodetimingadvancechanneldescriptiontimeslotsubchanneltrainingsequencecodeRFchannelnumber•timer3101startedintheBSCNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.immediateassignmentNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.immediateassignmentESTABLISHMENTPARTNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.immediateassignmentCMservicerequestNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.immediateassignmentCMservicerequest•requiredservicemobileoriginatedcall//SMSmobileterminatedcall/SMSlocationupdatecallre-establishmentIMSIdetachrequest•timer3101startedinthemobileNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.immediateassignmentCMservicerequestestablishindicationNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.immediateassignmentCMservicerequestestablishindication•timer3101stoppedintheBSCNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.immediateassignmentCMservicerequestestablishindicationSucc.Seiz.Orig.Succ.Seiz.Term.SDCCHcallreest.SDCCHemerg.callSucc.SMSest.Unsucc.SMSest.SDCCHloc.update•timer3101stoppedintheBSCNOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentimmediateassignmentCMservicerequestestablishindicationSucc.Seiz.Orig.Succ.Seiz.Term.SDCCHcallreest.SDCCHemerg.callSucc.SMSest.Unsucc.SMSest.SDCCHloc.updateCMservicerequestSDCCHassign.NOKIATELECOMMUNICATIONSTSG0071/en1.0/KoBraCopyrightNokiaTelecommunicationsGmbHchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassig