0
我想创建一个Sip代理服务器。我已经实现了基本呼叫流程的呼叫设置，但之后，当我想发送一些消息，如信息更新或再见sio UA回复481错误。我正在使用Linphone作为我的UA.Also我想知道是否有任何其他方式告诉Sip UA发送帧内帧。以下是从Wireshark的转储，请帮助我在这个问题....提前任何SIP客户端回复481交易不存在错误信息消息
INVITE sip:[email protected]:5062 SIP/2.0
Via: SIP/2.0/UDP 192.168.0.106:5060;branch=z9hG4bK.BCislbG05;rport
From: <sip:[email protected]>;tag=ib-gWexLD
To: sip:[email protected]
CSeq: 20 INVITE
Call-ID: BSEs~ww7v8
Max-Forwards: 70
Supported: replaces, outbound
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Content-Type: application/sdp
Content-Length: 212
Contact: <sip:[email protected]:5062>;+sip.instance="<urn:uuid:2cc4cd7f-6bc9-436c-a83e-cd5fd1ab7647>"
User-Agent: Linphone/3.7.0 (belle-sip/1.3.0)
v=0
o=clary 68 1084 IN IP4 192.168.0.106
s=Talk
c=IN IP4 192.168.0.106
t=0 0
m=audio 7690 RTP/AVP 0 101
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
m=video 4790 RTP/AVP 103
a=rtpmap:103 VP8/90000
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.0.50:5062;rport=5062;branch=z9hG4bK.BCislbG05
From: <sip:[email protected]:5062>;tag=ib-gWexLD
To: <sip:[email protected]>;tag=122vaclar
Call-ID: BSEs~ww7v8
CSeq: 20 INVITE
Contact: <sip:[email protected]:5062;transport=UDP>;+sip.instance="<urn:uuid:9e176788-7cef-408f-bae9-8733ffa2451b>";expires=3600
User-Agent: Test Sip Server
Allow: INVITE, ACK, BYE, CANCEL, INFO,OPTIONS, MESSAGE,UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Content-Length: 0
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 192.168.0.50:5062;rport=5062;branch=z9hG4bK.BCislbG05
To: <sip:[email protected]>;tag=122vaclar
From: <sip:[email protected]:5062>;tag=ib-gWexLD
Call-ID: BSEs~ww7v8
CSeq: 20 INVITE
User-Agent: Test Sip Server
Content-Length: 0
SIP/2.0 200 Ok
Via: SIP/2.0/UDP 192.168.0.50:5062;rport=5062;branch=z9hG4bK.BCislbG05
From: <sip:[email protected]:5062>;tag=ib-gWexLD
To: <sip:[email protected]>;tag=122vaclar
Call-ID: BSEs~ww7v8
CSeq: 20 INVITE
User-Agent: Test Sip Server
Supported: outbound
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE,UPDATE
Contact: <sip:[email protected]:5062;transport=UDP>;+sip.instance="<urn:uuid:9e176788-7cef-408f-bae9-8733ffa2451b>"
Content-Type: application/sdp
Content-Length: 282
v=0
o=claryicon 1983 678901 IN IP4 192.168.0.50
s=-
i=Test sip Server
c=IN IP4 192.168.0.50
t=0 0
m=audio 21483 RTP/AVP 0
a=sendrecv
a=rtcp:21483
a=rtpmap:0 PCMU/8000
m=video 21483 RTP/AVP 96
a=sendrecv
a=rtcp:21483
a=rtpmap:96 VP8/90000
a=rtcp-fb:96 nack pli
ACK sip:[email protected]:5062;transport=UDP SIP/2.0
Via: SIP/2.0/UDP 192.168.0.106:5060;rport;branch=z9hG4bK.MpKbnK6Bm
From: <sip:[email protected]>;tag=ib-gWexLD
To: <sip:[email protected]>;tag=122vaclar
CSeq: 20 ACK
Call-ID: BSEs~ww7v8
Max-Forwards: 70
INFO sip:[email protected];transport=UDP SIP/2.0
Via: SIP/2.0/UDP 192.168.0.50:5062;branch=z9hG4bK.BCislbG05;rport
To: <sip:[email protected]>;tag=122vaclar
From: <sip:[email protected]>;tag=ib-gWexLD
CSeq: 22 INFO
Call-ID: BSEs~ww7v8
Max-Forwards: 70
Content-Type: application/media_control+xml
Content-Length: 185
User-Agent: Test Sip Server
Allow: INVITE, ACK, BYE, CANCEL, INFO,OPTIONS, MESSAGE,UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
<?xml version="1.0" encoding="utf-8" ?><media_control> <vc_primitive> <to_encoder> <picture_fast_update></picture_fast_update> </to_encoder> </vc_primitive></media_control>
SIP/2.0 481 Call/transaction does not exist
Via: SIP/2.0/UDP 192.168.0.50:5062;branch=z9hG4bK.BCislbG05;rport
From: <sip:[email protected]>;tag=ib-gWexLD
To: <sip:[email protected]>;tag=122vaclar
Call-ID: BSEs~ww7v8
CSeq: 22 INFO
由于将被罚款....
感谢您的帮助。它的工作原理，我也会读对话和标签如何在SIP呼叫工作。再次感谢您指出:) –