【正文】 ESS2509:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS2609:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS2709:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS2809:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS2909:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS3009:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS3109:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS3209:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS3309:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS3409:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS3509:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS3609:GSM/GPRS2ULRR: HANDOVER COMPLETE3709:GSM/GPRS2ULRR: GPRS SUSPENSION REQUEST3809:GSM/GPRS2DLCC: DISCONNECT3909:GSM/GPRS2ULCC: RELEASE4009:GSM/GPRS2DLCC: RELEASE COMPLETE4109:GSM/GPRS2DLRR: CHANNEL RELEASE4209:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS4309:GSM/GPRS2DLRR: IMMEDIATE ASSIGNMENT4409:GSM/GPRS2ULMM: LOCATION UPDATING REQUEST4509:GSM/GPRS2DLMM: AUTHENTICATION REQUEST4609:GSM/GPRS2ULRR: GPRS SUSPENSION REQUEST4709:GSM/GPRS2ULMM: AUTHENTICATION RESPONSE4809:GSM/GPRS2DLRR: CIPHERING MODE COMMAND4909:GSM/GPRS2ULRR: CIPHERING MODE COMPLETE5009:GSM/GPRS2DLMM: IDENTITY REQUEST5109:GSM/GPRS2ULMM: IDENTITY RESPONSE5209:GSM/GPRS2DLMM: LOCATION UPDATING ACCEPT5309:GSM/GPRS2ULMM: TMSI REALLOCATION COMPLETE5409:GSM/GPRS2DLMM: MM INFORMATION5509:GSM/GPRS2DLRR: CHANNEL RELEASE5609:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS5709:GSM/GPRS2ULGPRS MM: Routing area update request5810:GSM/GPRS2ULRR: CHANNEL REQUEST / HANDOVER ACCESS5910:GSM/GPRS2ULGPRS MM: Routing area update request6010:GSM/GPRS2DLGPRS MM: Authentication amp。lrSIP/ 200 OKVia: SIP/:60126。modechangecapability=2。tag=733280944From: sip:0123456789。audio。tag=1111111111ContentLength: 0SIP/ 180 RingingVia: SIP/:60124。transport=udpPrivacy: nonePAssertedIdentity: sip:0123456789RecordRoute: sip:。branch=z9hG4bKe9f77cafd88b452dab9752198ad5e94f28。tag=561128308To: sip:0123456789。phonecontext=。transport=udp SIP/MaxForwards: 70Via: SIP/:5060。tag=561128308To: sip:0123456789。branch=z9hG4bK4129161699From: 18406630020 sip:001010123456789。transport=udp SIP/MaxForwards: 70From: 18406630020 sip:001010123456789。tag=561128308To: sip:0123456789。audiok: 100rel,replaces,fromchangePEarlyMedia: supportedl: 435v=0o=root 5000 1000 IN IP4 s=QC VOIPc=IN IP4 t=0 0m=audio 50010 RTP/AVP 104 102 105 100b=AS:41b=RS:0b=RR:0a=rtpmap:104 AMRWB/16000a=fmtp:104 modechangecapability=2。user=phoneCSeq: 561128295 INVITEi: 561128295_185090136v: SIP/:5060。user=phoneStatus: 100 TryingStatus: 180 RingingRequest: PRACK sip:0123456789:55379。tag=559862948CallID: 559862608_185027992CSeq: 559862608 REGISTERAllow: INVITE, ACK, CANCEL, BYE, PRACK, MESSAGEDate: Sat, 15 Nov 2014 16:24:51 GMTPAssociatedURI: sip:001010123456789Contact: sip:001010123456789:5060。+。lrPAccessNetworkInfo: 3GPPEUTRANTDD。1. IMS注冊SIP消息：Request: REGISTER sip: (1 binding)Status: 401 UnauthorizedRequest: REGISTER sip: (1 binding)Status: 200 OK (1 binding)說明：[MS NW] 手機向網(wǎng)絡(PLMN為00101)請求IMS注冊[NW MS] 網(wǎng)絡回復401 Unauthorized，消息里攜帶鑒權需要用到的信息[MS NW] 手機再次請求IMS注冊，消息里攜帶鑒權應答信息[NW MS] 網(wǎng)絡回復200 OK，消息里攜帶VoLTE能力信息空口消息如下：ULRRC CONNECTION REQUEST//RRC請求ULRRC CONNECTION SETUP COMPLETE//RRC請求建立DLEMM: AUTHENTICATION REQUEST//鑒權請求ULEMM: AUTHENTICATION RESPONSE//鑒權應答DLEMM: SECURITY MODE COMMAND//安全模式命令(信令完整性保護)ULEMM: SECURITY MODE COMPLETE//安全模式完成DLSECURITY MODE COMMANDULSECURITY MODE COMPLETEDLESM: ESM INFORMATION REQUEST//ESM信息請求ULESM: ESM INFORMATION RESPONSE//ESM信息應答DLEMM: IDENTITY REQUEST//身份請求(IMSI)ULEMM: IDENTITY RESPONSE//身份應答DLUE CAPABILITY ENQUIRY//UE能力查詢ULUE CAPABILITY INFORMATION//UE能力應答DLRRC CONNECTION RECONFIGURATION//RRC連接重配ULRRC CONNECTION RECONFIGURATION COMPLETE//RRC連接重配完成ULEMM: ATTACH COMPLETE / ESM: ACTIVATE DEFAULT EPS BEARER CONTEXT ACCEPTDLEMM: EMM INFORMATIONULESM: PDN CONNECTIVITY REQUEST//PDN連接請求DLRRC CONNECTION RECONFIGURATION//RRC連接重配ULRRC CONNECTION RECONFIGURATION COMPLETE//RRC連接重配完成ULESM: ACTIVATE DEFAULT EPS BEARER CONTEXT ACCEPT//默認承載建立具體的SIP消息：REGISTER sip: SIP/f: sip:001010123456789。 高通文檔描述： When the UE powers up, it will initially attach to the IMS PDN, then the IMS app on the modem side will automatically connect to the IMS PDN for IMS registration. As soon as attach is plete, Android will use the default profile to trigger an additional PDN connect to the internet PDN. We usually create two Profiles for the VoLTE by QMICM, the first one is for the Internet APN and the second is for the IMS APN. The MTP will attach to the Internet APN and then initiate the PDN Connect request to the IMS APN. After the successfully IMS APN connection and QCI = 5 bear activation, the MTP will be able to s