SIP呼叫流程分析.doc

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1、止常通话后，木端挂机:Time138.0.60.10138.0.60.110138.0.60.77Comment2.7102.7102.7372.7942.8332.8524.6565.0465.1685.2115.2255.23719.09719.12919.17919.185INV，TESDP(2711U2711A2g3G726-16G726-24...400TryingSIPFrom:sip:210@138.0.60.110To:sip:3210@138.0.60.110MDLOY…5060)INVITESDP(q711Ug711Ag723GZ26-16G72i(SliKu);

2、一~a060)100Trying(5060)J180Ringing(5060=180Ringingxsoeo)1(5060)(5060)^*「13006)_*~~J13006)200OKSDP(q71lUg711AG726-16G726-24(6D5U)"•(5060)200OKSDE(g711Ug711AG726-16G726-24G726•…(5060)严3a(5060)

3、ACK•(5060)RTP(04U)SIPStatusSIPRequestSIPStatusSIPStatusSIPStatusRTPNumpackets:689Durstion:14.487sssrc:241

4、1146136SIPStatusSIPStatus(5060)：(13006)*(5060)rBYE(5060)f*笛060)ACK(5060)RTP(g711U)*1(5060)BYE(5060)200OK(5060)200OKV506D)SIPRequest413006)*•—SIPRequestRTPNumpackets:693Duration:13.836sssrc:2209735875SIPRequestSIPRequestSIPStatusSIPStatus正常通话示，对端挂机:Time138.0.60.10138.0.60.110138.0.60.77Comment47

5、704.7744.8244.8804.9194.9396.7488.2138.3008.3458.3548.36312.78712.80412.85612.892(g7"Ug7馅Ag400Trying^G726-16G726.24...SIPFrom:sip:210@138.0.60.110To:sip:3210@138.0.60.110(5060y―5060)INVITESDP(g711Ug711Ag723G^6-16G72i100Trying(5060：«M060)180Ringing(5060：yJ25060)180Ringing(5060)yJ25060)RTP(g711U)

6、(13004)L*1(13004)200OKSDP(q71lUg711AG726-16G726-24<(506b5060)200OKSDE(g711Ug711AG726-16G726-24G726•…(5060)iw(5060)ACK&060)：(13004)：(5060)r(5060)FSIPStatusSIPRequestSIPStatusSIPStatusSIPStatusRTPNumpackets:239Duration:6.015sssrc:398520406SIPStatusSIPStatusi5060)ACK(5060)；RTP@741U)©060)产BYEBYESI

7、PRequest*■(51*•113004)RTPNumpackets:225Duration:4.471sssrc:211834427SIPRequestY5060)200OK5060)200OK*•(5060)SIPRequestSIPStatus(5060)：SIPStatus呼叫成功但未接听:Time138.0,60.10138.0.60.110138.0.60.77Comment0.0000.0020.0480.1050.1450.1491.9687.3597.4447.4877.4997.5007.5197.5557.559INVITESDP(g711Ug711AgG72

8、6-16G726-24：.,100Trying(5000)-INVITESDP'^11Ug7笛Ag723仑径平G72i100Trying(5060'yL~^(5060)180Ringing(6060J1180Ringing(5060：v'(5060)RTP©741U)：eo6o)1(5060)(13002)(130D2J-*CANCEL—*5060)CANCEL(5060)200OK(5060：r(5080)；◎)60)——200OK(5060)V(5(