---信令详细解析(个人整理---

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1、CSFB信令流程:ra)rairn*M4-MS图际名称时闯LACCT遏路名'*NSlIK)CSFB14-07-2811:3143.9842069021...三NSlRKSctupRequest14-07-2811:3143.984206W21...L9NSlRFrSelupSuccess14-07-2811:3144062206W21...NSlCEABS«tup人K-07-2811:31440622069021...NSlERABSetupSuccess144H-2811:31:44.1712068021...NSlCSFBLTER*le%seH-07-2811:314418720嫩21

2、...114-07-2811:3144921J2_J2—JI曲丨在列名称甲s養»方向协设各称«S1KA2xtand«dserviceIa

3、

4、QNSlNSlNSlNSlNSlNSlNSlNSlNSlNSlNSlNSlNSlNSlNSlNSlNSlNSlWSlCSPBIKC^llxttei.pt14-07-28IWCSFBProceeding14-07-28CSPBMOCU1Alertins14-C7-28CSFBIKC<1IEstabl...H-

5、C7-28GSWHindoverCcon«nd14-O7"28CSWMwxdoverSuccess14-07-28CSFBMOCtllEndK-07-28ReturnBackt。LTE…14-07-28TAVpd*l«AlleuptH-07-28RFCSfttup14"€7~28RFrSttupSuccess14-07-28ReturnBacktoLTE...14-07-28TAUpdtUSuccess14-C7-28K)CSFBr«qn«st14-07-28RfrSetupRequest14"€7"28RFCSetupSuccess14-07-28.•A料f•狐•參••'^^9A汽11:

6、3146.20311:3148.20311:315715611:31:57.78111:31:57.78111:315839011:31:58.59311:32:05.04811:320528111:3228.03111:32:28.51511:322932811:322932811:32:29.34311:32:29.42111:32:29.42111:32:48.65611:32:48.65611:3248.671002069020680206W206»2069320680206W2069020680206W20693206&D206802069020S&D206W2063000514

7、88514885148851468514885143851468213942139421..21..21...21...21..21...21...21...1、Extendedservicerequest日LTERadioResourceControl(RRC)protocolNon-Access-Stratum(NAS)POU0000....=Securityheadertype:(0)PbnNASmessage,notsecurityprotected....0111■Protocoldsermnaton⑺EPSmobiitymanagementmessagesMASEPSMobii

8、tyManagementMessageType:(0x4c)Extendedservicerequest0•Typeofsecuritycontextflag(TSC):Natwesecuritycontext(forKSIasme)-.100....=HASkeysetKJentfier.(4)•r•…oooo=

9、MobieKJentServicetype:MobiteoriginatingCSfelbackorlxCSfalback(0)M-TM5I-TM5VP-TH5I(0xe014c08ajLength:51111....:Unused....0...=Odd/evenhdiati

10、on:(0)Evennumberofidentitydigits.….100•MobileIdentityType:(4)TMSI/P-TMSITMS1/P-TMS1：0xe014c083-EPSbearercontextstatusElementID:0x57Length:20……•EB1(7):BEARERCONTEXT-INACTIVE.0=EB1(6)：BEARERCONTEXT-IHACTIVEEB1(S):B