No.TimeSourceDestinationProtocol30.009381172.16.0.15172.16.0.174SIPInfoRequest:REGISTERsip:172.16.0.174Frame3(287bytesonwire,287bytescaptured)EthernetII,Src:172.16.0.15(00:50:ba:0c:dc:ad),Dst:172.16.0.174(00:14:97:0f:01:ff)InternetProtocol,Src:172.16.0.15(172.16.0.15),Dst:172.16.0.174(172.16.0.174)UserDatagramProtocol,SrcPort:1033(1033),DstPort:1025(1025)SessionInitiationProtocolRequest-Line:REGISTERsip:172.16.0.174SIP/2.0Method:REGISTERResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.92:5060From:sip:zmhxp1@172.16.0.92To:sip:zmhxp1@172.16.0.92Call-ID:41@172.16.0.92CSeq:1REGISTERContact:sip:zmhxp1@172.16.0.92:5060Expires:6400Content-Length:0No.TimeSourceDestinationProtocol40.197974172.16.0.174172.16.0.15SIPInfoStatus:200OK(1bindings)Frame4(268bytesonwire,268bytescaptured)EthernetII,Src:172.16.0.174(00:14:97:0f:01:ff),Dst:172.16.0.15(00:50:ba:0c:dc:ad)InternetProtocol,Src:172.16.0.174(172.16.0.174),Dst:172.16.0.15(172.16.0.15)UserDatagramProtocol,SrcPort:1025(1025),DstPort:1033(1033)SessionInitiationProtocolStatus-Line:SIP/2.0200OKStatus-Code:200ResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.92:5060From:sip:zmhxp1@172.16.0.92To:sip:zmhxp1@172.16.0.92Call-ID:41@172.16.0.92CSeq:1REGISTERContact:sip:zmhxp1@172.16.0.92:5060Expires:6400Content-Length:0No.TimeSourceDestinationProtocol52.638596172.16.0.15172.16.0.174SIPInfoRequest:REGISTERsip:172.16.0.174Frame5(287bytesonwire,287bytescaptured)EthernetII,Src:172.16.0.15(00:50:ba:0c:dc:ad),Dst:172.16.0.174(00:14:97:0f:01:ff)InternetProtocol,Src:172.16.0.15(172.16.0.15),Dst:172.16.0.174(172.16.0.174)UserDatagramProtocol,SrcPort:1034(1034),DstPort:1025(1025)SessionInitiationProtocolRequest-Line:REGISTERsip:172.16.0.174SIP/2.0Method:REGISTERResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.91:5060From:sip:zmhxp3@172.16.0.91To:sip:zmhxp3@172.16.0.91Call-ID:41@172.16.0.91CSeq:1REGISTERContact:sip:zmhxp3@172.16.0.91:5060Expires:6400Content-Length:0No.TimeSourceDestinationProtocol62.831267172.16.0.174172.16.0.15SIPInfoStatus:200OK(1bindings)Frame6(268bytesonwire,268bytescaptured)EthernetII,Src:172.16.0.174(00:14:97:0f:01:ff),Dst:172.16.0.15(00:50:ba:0c:dc:ad)InternetProtocol,Src:172.16.0.174(172.16.0.174),Dst:172.16.0.15(172.16.0.15)UserDatagramProtocol,SrcPort:1025(1025),DstPort:1034(1034)SessionInitiationProtocolStatus-Line:SIP/2.0200OKStatus-Code:200ResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.91:5060From:sip:zmhxp3@172.16.0.91To:sip:zmhxp3@172.16.0.91Call-ID:41@172.16.0.91CSeq:1REGISTERContact:sip:zmhxp3@172.16.0.91:5060Expires:6400Content-Length:0No.TimeSourceDestinationProtocol77.009509172.16.0.15172.16.0.174SIP/SDPInfoRequest:INVITEsip:172.16.0.91,withsessiondescriptionFrame7(790bytesonwire,790bytescaptured)EthernetII,Src:172.16.0.15(00:50:ba:0c:dc:ad),Dst:172.16.0.174(00:14:97:0f:01:ff)InternetProtocol,Src:172.16.0.15(172.16.0.15),Dst:172.16.0.174(172.16.0.174)UserDatagramProtocol,SrcPort:1033(1033),DstPort:1025(1025)SessionInitiationProtocolRequest-Line:INVITEsip:172.16.0.91SIP/2.0Method:INVITEResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.92:5060Max-Forwards:70Route:From:"zmhxp1";tag=1234To:Call-ID:41@172.16.0.92CSeq:2INVITEContact:"zmhxp1"User-Agent:RTC/1.2Content-Type:application/sdpContent-Length:730MessagebodySessionDescriptionProtocolSessionDescriptionProtocolVersion(v):0Owner/Creator,SessionId(o):-00INIP4172.16.0.92SessionName(s):sessionConnectionInformation(c):INIP4172.16.0.92BandwidthInformation(b):CT:1000TimeDescription,activetime(t):00MediaDescription,nameandaddress(m):audio37572RTP/AVP112101EncryptionKey(k):base64:fplsaMediaAttribute(a):rtpmap:112G7221/16000MediaAttribute(a):fmtp:112bitrate=24000MediaAttribute(a):rtpmap:101telephone-event/8000MediaAttribute(a):fmtp:1010-16MediaAttribute(a):encryption:optionalMediaDescription,nameandaddress(m):video33232RTP/AVP34EncryptionKey(k):base64:SdtjNMediaAttribute(a):rtpmap:34H263/9000MediaAttribute(a):encryption:optionalMediaDescription,nameandaddress(m):application1503tcpmsdataMediaAttribute(a):sendonlyMediaAttribute(a):encryption:optionalNo.TimeSourceDestinationProtocol87.235814172.16.0.174172.16.0.15SIP/SDPInfoRequest:INVITEsip:172.16.0.91:5060,withsessiondescriptionFrame8(838bytesonwire,838bytescaptured)EthernetII,Src:172.16.0.174(00:14:97:0f:01:ff),Dst:172.16.0.15(00:50:ba:0c:dc:ad)InternetProtocol,Src:172.16.0.174(172.16.0.174),Dst:172.16.0.15(172.16.0.15)UserDatagramProtocol,SrcPort:1025(1025),DstPort:1033(1033)SessionInitiationProtocolRequest-Line:INVITEsip:172.16.0.91:5060SIP/2.0Method:INVITEResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.174:5060Via:SIP/2.0/UDP172.16.0.92:5060Max-Forwards:69Record-Route:From:"zmhxp1";tag=1234To:Call-ID:41@172.16.0.92CSeq:2INVITEContact:"zmhxp1"User-Agent:RTC/1.2Content-Type:application/sdpContent-Length:730MessagebodySessionDescriptionProtocolSessionDescriptionProtocolVersion(v):0Owner/Creator,SessionId(o):-00INIP4172.16.0.92SessionName(s):sessionConnectionInformation(c):INIP4172.16.0.92BandwidthInformation(b):CT:1000TimeDescription,activetime(t):00MediaDescription,nameandaddress(m):audio37572RTP/AVP112101EncryptionKey(k):base64:fplsaMediaAttribute(a):rtpmap:112G7221/16000MediaAttribute(a):fmtp:112bitrate=24000MediaAttribute(a):rtpmap:101telephone-event/8000MediaAttribute(a):fmtp:1010-16MediaAttribute(a):encryption:optionalMediaDescription,nameandaddress(m):video33232RTP/AVP34EncryptionKey(k):base64:SdtjNMediaAttribute(a):rtpmap:34H263/9000MediaAttribute(a):encryption:optionalMediaDescription,nameandaddress(m):application1503tcpmsdataMediaAttribute(a):sendonlyMediaAttribute(a):encryption:optionalNo.TimeSourceDestinationProtocol97.276438172.16.0.174172.16.0.15SIPInfoStatus:100TryingFrame9(221bytesonwire,221bytescaptured)EthernetII,Src:172.16.0.174(00:14:97:0f:01:ff),Dst:172.16.0.15(00:50:ba:0c:dc:ad)InternetProtocol,Src:172.16.0.174(172.16.0.174),Dst:172.16.0.15(172.16.0.15)UserDatagramProtocol,SrcPort:1025(1025),DstPort:1033(1033)SessionInitiationProtocolStatus-Line:SIP/2.0100TryingStatus-Code:100ResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.92:5060From:sip:zmhxp1@172.16.0.92;tag=1234To:Call-ID:41@172.16.0.92CSeq:2INVITEContent-Length:0No.TimeSourceDestinationProtocol108.521710172.16.0.15172.16.0.174SIPInfoRequest:ACKsip:172.16.0.91:5060Frame10(301bytesonwire,301bytescaptured)EthernetII,Src:172.16.0.15(00:50:ba:0c:dc:ad),Dst:172.16.0.174(00:14:97:0f:01:ff)InternetProtocol,Src:172.16.0.15(172.16.0.15),Dst:172.16.0.174(172.16.0.174)UserDatagramProtocol,SrcPort:1033(1033),DstPort:1025(1025)SessionInitiationProtocolRequest-Line:ACKsip:172.16.0.91:5060SIP/2.0Method:ACKResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.92:5060Max-Forwards:70Route:,From:zmhxp1@172.16.0.92;tag=1234To:zmhxp3@172.16.0.91;tag=1432Call-ID:41@172.16.0.92CSeq:3ACKContent-Length:0No.TimeSourceDestinationProtocol118.678498172.16.0.174172.16.0.15SIPInfoRequest:ACKsip:172.16.0.91:5060Frame11(300bytesonwire,300bytescaptured)EthernetII,Src:172.16.0.174(00:14:97:0f:01:ff),Dst:172.16.0.15(00:50:ba:0c:dc:ad)InternetProtocol,Src:172.16.0.174(172.16.0.174),Dst:172.16.0.15(172.16.0.15)UserDatagramProtocol,SrcPort:1025(1025),DstPort:1033(1033)SessionInitiationProtocolRequest-Line:ACKsip:172.16.0.91:5060SIP/2.0Method:ACKResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.174:5060Via:SIP/2.0/UDP172.16.0.92:5060Route:From:zmhxp1@172.16.0.92;tag=1234To:zmhxp3@172.16.0.91;tag=1432Call-ID:41@172.16.0.92CSeq:3ACKContent-Length:0No.TimeSourceDestinationProtocol129.934483172.16.0.15172.16.0.174SIPInfoStatus:180RingingFrame12(408bytesonwire,408bytescaptured)EthernetII,Src:172.16.0.15(00:50:ba:0c:dc:ad),Dst:172.16.0.174(00:14:97:0f:01:ff)InternetProtocol,Src:172.16.0.15(172.16.0.15),Dst:172.16.0.174(172.16.0.174)UserDatagramProtocol,SrcPort:1033(1033),DstPort:1025(1025)SessionInitiationProtocolStatus-Line:SIP/2.0180RingingStatus-Code:180ResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.174:5060Via:SIP/2.0/UDP172.16.0.92:5060Record-Route:From:"zmhxp1";tag=1234To:"zmhxp3";tag=1432Call-ID:41@172.16.0.92CSeq:2INVITEContact:"zmhxp3"User-Agent:RTC/1.3Content-Type:application/sdpContent-Length:0No.TimeSourceDestinationProtocol1310.140494172.16.0.174172.16.0.15SIPInfoStatus:180RingingFrame13(372bytesonwire,372bytescaptured)EthernetII,Src:172.16.0.174(00:14:97:0f:01:ff),Dst:172.16.0.15(00:50:ba:0c:dc:ad)InternetProtocol,Src:172.16.0.174(172.16.0.174),Dst:172.16.0.15(172.16.0.15)UserDatagramProtocol,SrcPort:1025(1025),DstPort:1033(1033)SessionInitiationProtocolStatus-Line:SIP/2.0180RingingStatus-Code:180ResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.92:5060Record-Route:From:"zmhxp1";tag=1234To:"zmhxp3";tag=1432Call-ID:41@172.16.0.92CSeq:2INVITEContact:"zmhxp3"User-Agent:RTC/1.3Content-Type:application/sdpContent-Length:0No.TimeSourceDestinationProtocol1411.275472172.16.0.15172.16.0.174SIPInfoRequest:BYEsip:172.16.0.91:5060Frame14(283bytesonwire,283bytescaptured)EthernetII,Src:172.16.0.15(00:50:ba:0c:dc:ad),Dst:172.16.0.174(00:14:97:0f:01:ff)InternetProtocol,Src:172.16.0.15(172.16.0.15),Dst:172.16.0.174(172.16.0.174)UserDatagramProtocol,SrcPort:1033(1033),DstPort:1025(1025)SessionInitiationProtocolRequest-Line:BYEsip:172.16.0.91:5060SIP/2.0Method:BYEResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.92:5060Max-Forwards:70Route:From:zmhxp1@172.16.0.92;tag=1234To:zmhxp3@172.16.0.91;tag=1432Call-ID:41@172.16.0.92CSeq:1BYEContent-Length:0No.TimeSourceDestinationProtocol1511.433500172.16.0.174172.16.0.15SIPInfoRequest:BYEsip:172.16.0.91:5060Frame15(292bytesonwire,292bytescaptured)EthernetII,Src:172.16.0.174(00:14:97:0f:01:ff),Dst:172.16.0.15(00:50:ba:0c:dc:ad)InternetProtocol,Src:172.16.0.174(172.16.0.174),Dst:172.16.0.15(172.16.0.15)UserDatagramProtocol,SrcPort:1025(1025),DstPort:1033(1033)SessionInitiationProtocolRequest-Line:BYEsip:172.16.0.91:5060SIP/2.0Method:BYEResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.174:5060Via:SIP/2.0/UDP172.16.0.92:5060Max-Forwards:69From:zmhxp1@172.16.0.92;tag=1234To:zmhxp3@172.16.0.91;tag=1432Call-ID:41@172.16.0.92CSeq:1BYEContent-Length:0No.TimeSourceDestinationProtocol1612.964048172.16.0.15172.16.0.174SIP/SDPInfoStatus:200OK,withsessiondescriptionFrame16(817bytesonwire,817bytescaptured)EthernetII,Src:172.16.0.15(00:50:ba:0c:dc:ad),Dst:172.16.0.174(00:14:97:0f:01:ff)InternetProtocol,Src:172.16.0.15(172.16.0.15),Dst:172.16.0.174(172.16.0.174)UserDatagramProtocol,SrcPort:1033(1033),DstPort:1025(1025)SessionInitiationProtocolStatus-Line:SIP/2.0200OKStatus-Code:200ResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.174:5060Via:SIP/2.0/UDP172.16.0.92:5060Record-Route:From:"zmhxp1";tag=1234To:"zmhxp3";tag=1432Call-ID:41@172.16.0.92CSeq:2INVITEContact:"zmhxp3"User-Agent:RTC/1.3Content-Type:application/sdpContent-Length:730MessagebodySessionDescriptionProtocolSessionDescriptionProtocolVersion(v):0Owner/Creator,SessionId(o):-00INIP4172.16.0.92SessionName(s):sessionConnectionInformation(c):INIP4172.16.0.92BandwidthInformation(b):CT:1000TimeDescription,activetime(t):00MediaDescription,nameandaddress(m):audio37572RTP/AVP112101EncryptionKey(k):base64:fplsaMediaAttribute(a):rtpmap:112G7221/16000MediaAttribute(a):fmtp:112bitrate=24000MediaAttribute(a):rtpmap:101telephone-event/8000MediaAttribute(a):fmtp:1010-16MediaAttribute(a):encryption:optionalMediaDescription,nameandaddress(m):video33232RTP/AVP34EncryptionKey(k):base64:SdtjNMediaAttribute(a):rtpmap:34H263/9000MediaAttribute(a):encryption:optionalMediaDescription,nameandaddress(m):application1503tcpmsdataMediaAttribute(a):sendonlyMediaAttribute(a):encryption:optionalNo.TimeSourceDestinationProtocol1713.209146172.16.0.174172.16.0.15SIP/SDPInfoStatus:200OK,withsessiondescriptionFrame17(781bytesonwire,781bytescaptured)EthernetII,Src:172.16.0.174(00:14:97:0f:01:ff),Dst:172.16.0.15(00:50:ba:0c:dc:ad)InternetProtocol,Src:172.16.0.174(172.16.0.174),Dst:172.16.0.15(172.16.0.15)UserDatagramProtocol,SrcPort:1025(1025),DstPort:1033(1033)SessionInitiationProtocolStatus-Line:SIP/2.0200OKStatus-Code:200ResentPacket:FalseMessageHeaderVia:SIP/2.0/UDP172.16.0.92:5060Record-Route:From:"zmhxp1";tag=1234To:"zmhxp3";tag=1432Call-ID:41@172.16.0.92CSeq:2INVITEContact:"zmhxp3"User-Agent:RTC/1.3Content-Type:application/sdpContent-Length:730MessagebodySessionDescriptionProtocolSessionDescriptionProtocolVersion(v):0Owner/Creator,SessionId(o):-00INIP4172.16.0.92SessionName(s):sessionConnectionInformation(c):INIP4172.16.0.92BandwidthInformation(b):CT:1000TimeDescription,activetime(t):00MediaDescription,nameandaddress(m):audio37572RTP/AVP112101EncryptionKey(k):base64:fplsaMediaAttribute(a):rtpmap:112G7221/16000MediaAttribute(a):fmtp:112bitrate=24000MediaAttribute(a):rtpmap:101telephone-event/8000MediaAttribute(a):fmtp:1010-16MediaAttribute(a):encryption:optionalMediaDescription,nameandaddress(m):video33232RTP/AVP34EncryptionKey(k):base64:SdtjNMediaAttribute(a):rtpmap:34H263/9000MediaAttribute(a):encryption:optionalMediaDescription,nameandaddress(m):application1503tcpmsdataMediaAttribute(a):sendonlyMediaAttribute(a):encryption:optional