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IO-sipit29 » History » Version 7

Adrian Georgescu, 10/24/2011 01:30 PM

1 1 Adrian Georgescu 
= SIPIT 29 =
2 2 Adrian Georgescu 





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== Sending BYE exception when using TCP transport ==





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The problem occurs when proxy is stateless and is requesting authorization for the BYE.





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{{{





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SENDING: Packet 188, +0:14:23.287009





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2011-10-24 11:35:51.825513: 132.177.252.163:51280 -(SIP over tls)-> 132.177.253.22:5061





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INVITE sip:ag02@cisco.sipit.net SIP/2.0





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Via: SIP/2.0/tls 132.177.252.163:51280;rport;branch=z9hG4bKPjGqaVmgy6QI4hqusA17.VmYbSEjEn1S-y





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Max-Forwards: 70





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From: "Adrian Georgescu" <sip:ag01@cisco.sipit.net>;tag=tG4TWxTurelH-rGZRnivbJ96jCHFsQS8





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To: <sip:ag02@cisco.sipit.net>





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Contact: <sip:doszpemb@132.177.252.163:51544;transport=tls>





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Call-ID: wm-ihLWnDBKwk743UftUCoP-H5qoETv-





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CSeq: 4485 INVITE





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Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER





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Supported: 100rel, replaces, norefersub





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User-Agent: Blink Pro 1.3.1 (MacOSX)





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Proxy-Authorization: Digest username="cisco", realm="h1.cisco.sipit.net", nonce="5f8327823b80b7c1ad635e68c6ab5ef8b1ac0010d74c76ea30d139be4b0e", uri="sip:ag02@cisco.sipit.net", response="02829cb450bd6f420e8f980f80dec000", algorithm=MD5, cnonce="WMYZEu5MhMBRJr97hlz3Nxqd9pidFkvZ", opaque="AQAAANXGRIqnJLpaa2+oaGI3teAaoA95", qop=auth, nc=00000001





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Content-Type: application/sdp





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Content-Length:   269





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v=0





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o=- 3528437751 3528437751 IN IP4 132.177.252.163





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s=Blink Pro 1.3.1 (MacOSX)





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c=IN IP4 132.177.252.163





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t=0 0





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m=audio 50004 RTP/AVP 9 0 101





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a=rtcp:50005





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a=rtpmap:9 G722/8000





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a=rtpmap:0 PCMU/8000





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a=rtpmap:101 telephone-event/8000





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a=fmtp:101 0-15





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a=sendrecv





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RECEIVED: Packet 189, +0:14:23.333731





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2011-10-24 11:35:51.872235: 132.177.253.22:5061 -(SIP over tls)-> 132.177.252.163:51280





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SIP/2.0 100 Trying





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Via: SIP/2.0/tls 132.177.252.163:51280;branch=z9hG4bKPjGqaVmgy6QI4hqusA17.VmYbSEjEn1S-y;received=132.177.252.163;rport=51280;ingress-zone=DefaultZone





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Call-ID: wm-ihLWnDBKwk743UftUCoP-H5qoETv-





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CSeq: 4485 INVITE





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From: "Adrian Georgescu" <sip:ag01@cisco.sipit.net>;tag=tG4TWxTurelH-rGZRnivbJ96jCHFsQS8





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To: <sip:ag02@cisco.sipit.net>





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Server: TANDBERG/4103 (X7.1PreAlpha29 (TEST SW))





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Content-Length: 0





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RECEIVED: Packet 190, +0:14:23.380310





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2011-10-24 11:35:51.918814: 132.177.253.22:5061 -(SIP over tls)-> 132.177.252.163:51280





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SIP/2.0 180 Ringing





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Via: SIP/2.0/tls 132.177.252.163:51280;rport=51280;received=132.177.252.163;branch=z9hG4bKPjGqaVmgy6QI4hqusA17.VmYbSEjEn1S-y;ingress-zone=DefaultZone





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Call-ID: wm-ihLWnDBKwk743UftUCoP-H5qoETv-





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CSeq: 4485 INVITE





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Contact: <sip:qwbivsgz@132.177.252.111:60868>





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From: "Adrian Georgescu" <sip:ag01@cisco.sipit.net>;tag=tG4TWxTurelH-rGZRnivbJ96jCHFsQS8





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To: <sip:ag02@cisco.sipit.net>;tag=nkEDOGe3nL5K7PwTs1-DzrwUmbdzAYUy





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Record-Route: <sip:proxy-call-id=9041af5c-fe23-11e0-8ac1-000c29ab0f7b@132.177.253.22:5060;transport=udp;lr>





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Record-Route: <sip:proxy-call-id=9041af5c-fe23-11e0-8ac1-000c29ab0f7b@132.177.253.22:5061;transport=tls;lr>





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Allow: SUBSCRIBE,NOTIFY,PRACK,INVITE,ACK,BYE,CANCEL,UPDATE,MESSAGE,REFER





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Server: Blink Pro 1.3.1 (MacOSX)





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Content-Length: 0





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RECEIVED: Packet 191, +0:14:28.691178





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2011-10-24 11:35:57.229682: 132.177.253.22:5061 -(SIP over tls)-> 132.177.252.163:51280





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SIP/2.0 200 OK





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Via: SIP/2.0/tls 132.177.252.163:51280;rport=51280;received=132.177.252.163;branch=z9hG4bKPjGqaVmgy6QI4hqusA17.VmYbSEjEn1S-y;ingress-zone=DefaultZone





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Call-ID: wm-ihLWnDBKwk743UftUCoP-H5qoETv-





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CSeq: 4485 INVITE





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Contact: <sip:qwbivsgz@132.177.252.111:60868>





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From: "Adrian Georgescu" <sip:ag01@cisco.sipit.net>;tag=tG4TWxTurelH-rGZRnivbJ96jCHFsQS8





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To: <sip:ag02@cisco.sipit.net>;tag=nkEDOGe3nL5K7PwTs1-DzrwUmbdzAYUy





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Record-Route: <sip:proxy-call-id=9041af5c-fe23-11e0-8ac1-000c29ab0f7b@132.177.253.22:5060;transport=udp;lr>





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Record-Route: <sip:proxy-call-id=9041af5c-fe23-11e0-8ac1-000c29ab0f7b@132.177.253.22:5061;transport=tls;lr>





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Allow: SUBSCRIBE,NOTIFY,PRACK,INVITE,ACK,BYE,CANCEL,UPDATE,MESSAGE,REFER





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Server: Blink Pro 1.3.1 (MacOSX)





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Supported: 100rel,replaces,norefersub





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Content-Type: application/sdp





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Content-Length: 255





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v=0





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o=- 3528437757 3528437758 IN IP4 132.177.252.111





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s=Blink Pro 1.3.1 (MacOSX)





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c=IN IP4 132.177.252.111





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b=AS:384





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t=0 0





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m=audio 50018 RTP/AVP 9 101





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a=rtcp:50019





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a=rtpmap:9 G722/8000





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a=rtpmap:101 telephone-event/8000





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a=fmtp:101 0-15





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a=sendrecv





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SENDING: Packet 192, +0:14:28.691472





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2011-10-24 11:35:57.229976: 132.177.252.163:51280 -(SIP over tls)-> 132.177.253.22:5061





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ACK sip:qwbivsgz@132.177.252.111:60868 SIP/2.0





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Via: SIP/2.0/tls 132.177.252.163:51280;rport;branch=z9hG4bKPjydOyhHyq82C92apBgV97cGE2r.G2e4GO





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Max-Forwards: 70





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From: "Adrian Georgescu" <sip:ag01@cisco.sipit.net>;tag=tG4TWxTurelH-rGZRnivbJ96jCHFsQS8





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To: <sip:ag02@cisco.sipit.net>;tag=nkEDOGe3nL5K7PwTs1-DzrwUmbdzAYUy





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Call-ID: wm-ihLWnDBKwk743UftUCoP-H5qoETv-





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CSeq: 4485 ACK





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Route: <sip:proxy-call-id=9041af5c-fe23-11e0-8ac1-000c29ab0f7b@132.177.253.22:5061;transport=tls;lr>





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Route: <sip:proxy-call-id=9041af5c-fe23-11e0-8ac1-000c29ab0f7b@132.177.253.22:5060;transport=udp;lr>





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User-Agent: Blink Pro 1.3.1 (MacOSX)





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Content-Length:  0





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SENDING: Packet 193, +0:14:32.184140





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2011-10-24 11:36:00.722644: 132.177.252.163:51280 -(SIP over tls)-> 132.177.253.22:5061





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BYE sip:qwbivsgz@132.177.252.111:60868 SIP/2.0





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Via: SIP/2.0/tls 132.177.252.163:51280;rport;branch=z9hG4bKPjqWIKkD-f1CW8BystKkNHu3QQ.HhB920m





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Max-Forwards: 70





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From: "Adrian Georgescu" <sip:ag01@cisco.sipit.net>;tag=tG4TWxTurelH-rGZRnivbJ96jCHFsQS8





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To: <sip:ag02@cisco.sipit.net>;tag=nkEDOGe3nL5K7PwTs1-DzrwUmbdzAYUy





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Call-ID: wm-ihLWnDBKwk743UftUCoP-H5qoETv-





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CSeq: 4486 BYE





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Route: <sip:proxy-call-id=9041af5c-fe23-11e0-8ac1-000c29ab0f7b@132.177.253.22:5061;transport=tls;lr>





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Route: <sip:proxy-call-id=9041af5c-fe23-11e0-8ac1-000c29ab0f7b@132.177.253.22:5060;transport=udp;lr>





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User-Agent: Blink Pro 1.3.1 (MacOSX)





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Content-Length:  0





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RECEIVED: Packet 194, +0:14:32.185918





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2011-10-24 11:36:00.724422: 132.177.253.22:5061 -(SIP over tls)-> 132.177.252.163:51280





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SIP/2.0 407 Proxy Authentication Required





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Via: SIP/2.0/tls 132.177.252.163:51280;branch=z9hG4bKPjqWIKkD-f1CW8BystKkNHu3QQ.HhB920m;received=132.177.252.163;rport=51280





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Call-ID: wm-ihLWnDBKwk743UftUCoP-H5qoETv-





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CSeq: 4486 BYE





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From: "Adrian Georgescu" <sip:ag01@cisco.sipit.net>;tag=tG4TWxTurelH-rGZRnivbJ96jCHFsQS8





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To: <sip:ag02@cisco.sipit.net>;tag=nkEDOGe3nL5K7PwTs1-DzrwUmbdzAYUy





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Server: TANDBERG/4103 (X7.1PreAlpha29 (TEST SW))





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Proxy-Authenticate: Digest realm="h1.cisco.sipit.net", nonce="ecf10cc969b2858a1f46ce145b58ba291426098f076e4fa29924531f706e", opaque="AQAAANXGRIqnJLpaa2+oaGI3teAaoA95", stale=FALSE, algorithm=MD5, qop="auth"





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Content-Length: 0





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SENDING: Packet 195, +0:14:32.186342





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2011-10-24 11:36:00.724846: 132.177.252.163:51280 -(SIP over tls)-> 132.177.253.22:5061





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BYE sip:qwbivsgz@132.177.252.111:60868 SIP/2.0





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Via: SIP/2.0/tls 132.177.252.163:51280;rport;branch=z9hG4bKPj7LZjnOhpR57.YTxGAv42MyoF7RSBupjk





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Max-Forwards: 70





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From: "Adrian Georgescu" <sip:ag01@cisco.sipit.net>;tag=tG4TWxTurelH-rGZRnivbJ96jCHFsQS8





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To: <sip:ag02@cisco.sipit.net>;tag=nkEDOGe3nL5K7PwTs1-DzrwUmbdzAYUy





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Call-ID: wm-ihLWnDBKwk743UftUCoP-H5qoETv-





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CSeq: 4487 BYE





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Route: <sip:proxy-call-id=9041af5c-fe23-11e0-8ac1-000c29ab0f7b@132.177.253.22:5061;transport=tls;lr>





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Route: <sip:proxy-call-id=9041af5c-fe23-11e0-8ac1-000c29ab0f7b@132.177.253.22:5060;transport=udp;lr>





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User-Agent: Blink Pro 1.3.1 (MacOSX)





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Proxy-Authorization: Digest username="cisco", realm="h1.cisco.sipit.net", nonce="ecf10cc969b2858a1f46ce145b58ba291426098f076e4fa29924531f706e", uri="sip:qwbivsgz@132.177.252.111:60868", response="6ed728af6b1b5443c953ec89d17151c6", algorithm=MD5, cnonce="WMYZEu5MhMBRJr97hlz3Nxqd9pidFkvZ", opaque="AQAAANXGRIqnJLpaa2+oaGI3teAaoA95", qop=auth, nc=00000001





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Content-Length:  0





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RECEIVED: Packet 196, +0:14:32.203260





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2011-10-24 11:36:00.741764: 132.177.253.22:5061 -(SIP over tls)-> 132.177.252.163:51280





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SIP/2.0 200 OK





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Via: SIP/2.0/tls 132.177.252.163:51280;rport=51280;received=132.177.252.163;branch=z9hG4bKPj7LZjnOhpR57.YTxGAv42MyoF7RSBupjk;ingress-zone=DefaultZone





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Call-ID: wm-ihLWnDBKwk743UftUCoP-H5qoETv-





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CSeq: 4487 BYE





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From: "Adrian Georgescu" <sip:ag01@cisco.sipit.net>;tag=tG4TWxTurelH-rGZRnivbJ96jCHFsQS8





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To: <sip:ag02@cisco.sipit.net>;tag=nkEDOGe3nL5K7PwTs1-DzrwUmbdzAYUy





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Server: Blink Pro 1.3.1 (MacOSX)





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Content-Length: 0





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2011-10-24 11:36:12.346891: DNS lookup A h1.cisco.sipit.net succeeded, ttl=600: 132.177.253.22





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}}}





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{{{





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2011-10-24 10:42:21.419 Blink Pro[1668:a0f] [Session with ag02@cisco.sipit.net] Ending session with audio stream





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2011-10-24 10:42:21.457 Blink Pro[1668:6527] Traceback (most recent call last):





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  File "/Users/adigeo/work/blink/build/Release/Blink Pro.app/Contents/Resources/lib/twisted/internet/base.py", line 757, in runUntilCurrent





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    call.func(*call.args, **call.kw)





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  File "/Users/adigeo/work/blink/build/Release/Blink Pro.app/Contents/Resources/lib/eventlet/coros.py", line 253, in _do_acquire





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    waiter.switch()





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  File "/Users/adigeo/work/blink/build/Release/Blink Pro.app/Contents/Resources/lib/eventlet/api.py", line 235, in _spawn_startup





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    return cb(*args, **kw)





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  File "/Users/adigeo/work/blink/build/Release/Blink Pro.app/Contents/Resources/lib/sipsimple/session.py", line 1904, in end





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    TimestampedNotificationData(originator='local', method='BYE', code=notification.data.code, reason=notification.data.reason))





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AttributeError: 'NotificationData' object has no attribute 'code'





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2011-10-24 10:42:21.474 Blink Pro[1668:a0f] [Session with ag02@cisco.sipit.net] Session will end (local)





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2011-10-24 10:42:21.643 Blink Pro[1668:a0f] [Session with ag02@cisco.sipit.net] Audio stream ended





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}}}





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{{{





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2011-10-24 10:31:00.239837: Notification name=SIPInvitationChangedState





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sender=<sipsimple.core._core.Invitation object at 0x18c5ab10>





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data=NotificationData(originator='local', body=None, prev_sub_state='normal',





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timestamp=datetime.datetime(2011, 10, 24, 10, 31, 0, 232073), headers={'Via':





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[FrozenViaHeader('tls', '132.177.252.163', 50951, frozendict({'rport': 0,





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'branch': 'z9hG4bKPj5bKvhluLSr5OxNTM0vdb4umkCpVNtox8'}))], 'From':





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FrozenFromHeader(FrozenSIPURI('cisco.sipit.net', 'ag01', None, None, False,





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frozendict({}), frozendict({})), u'Adrian Georgescu', frozendict({'tag':





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'kfOPAVWAfIHorykAJBu31vAmIZif780n'})), 'Route':





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[FrozenRouteHeader(FrozenSIPURI('132.177.253.22',





    195
    
    
    
'proxy-call-id=844482fa-fe1a-11e0-bd41-000c29ab0f7b', None, 5061, False,





    196
    
    
    
frozendict({'lr': 1, 'transport': 'tls'}), frozendict({})), None,





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frozendict({})), FrozenRouteHeader(FrozenSIPURI('132.177.253.22',





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'proxy-call-id=844482fa-fe1a-11e0-bd41-000c29ab0f7b', None, 5061, False,





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frozendict({'lr': 1, 'transport': 'tls'}), frozendict({})), None,





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frozendict({}))], 'User-Agent': FrozenHeader('User-Agent', 'Blink Pro 1.3.1





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(MacOSX)'), 'To': FrozenToHeader(FrozenSIPURI('cisco.sipit.net', 'ag02', None,





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None, False, frozendict({}), frozendict({})), None, frozendict({'tag':





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'-9Gm-krVFw154HwQh5W.UsZY12oHT9di'})), 'CSeq': (8401, 'BYE'), 'Call-ID':





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FrozenHeader('Call-ID', 'JzYfmKI6hZg0iBD9t4WdpKNhW6SyQzlm'), 'Max-Forwards':





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70}, state='disconnecting', prev_state='connected', method='BYE',





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request_uri=FrozenSIPURI('132.177.252.111', 'qwbivsgz', None, 51564, False,





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frozendict({'transport': 'tls'}), frozendict({})))





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2011-10-24 10:31:00.259586: Notification name=SIPInvitationChangedState





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sender=<sipsimple.core._core.Invitation object at 0x18c5ab10>





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data=NotificationData(originator='local', disconnect_reason='user request',





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state='disconnected', prev_state='disconnecting',





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    1
    Adrian Georgescu
    
timestamp=datetime.datetime(2011, 10, 24, 10, 31, 0, 250102))





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    3
    Adrian Georgescu
    
}}}





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200 OK rdata seems to be none for received 200OK for the sent out BYE





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=== UDP trace that works ===





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{{{





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2011-10-24 10:46:07.277414: Notification name=SIPInvitationChangedState





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sender=<sipsimple.core._core.Invitation object at 0x18c5abf8>





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data=NotificationData(originator='local', body=None, prev_sub_state='normal',





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timestamp=datetime.datetime(2011, 10, 24, 10, 46, 7, 268879), headers={'Via':





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[FrozenViaHeader('UDP', '132.177.252.163', 60653, frozendict({'rport': 0,





    229
    
    
    
'branch': 'z9hG4bKPjVWjI8ftu8DW7rR5WhnOsbgpAWQFpbFYT'}))], 'From':





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FrozenFromHeader(FrozenSIPURI('cisco.sipit.net', 'ag01', None, None, False,





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frozendict({}), frozendict({})), u'Adrian Georgescu', frozendict({'tag':





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'M5uaZcSknKymRnkGTjRG88C8DG99m5Hy'})), 'Route':





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[FrozenRouteHeader(FrozenSIPURI('132.177.253.22',





    234
    
    
    
'proxy-call-id=99e57f04-fe1c-11e0-ba17-000c29ab0f7b', None, 5060, False,





    235
    
    
    
frozendict({'lr': 1, 'transport': 'udp'}), frozendict({})), None,





    236
    
    
    
frozendict({})), FrozenRouteHeader(FrozenSIPURI('132.177.253.22',





    237
    
    
    
'proxy-call-id=99e57f04-fe1c-11e0-ba17-000c29ab0f7b', None, 5060, False,





    238
    
    
    
frozendict({'lr': 1, 'transport': 'tcp'}), frozendict({})), None,





    239
    
    
    
frozendict({}))], 'User-Agent': FrozenHeader('User-Agent', 'Blink Pro 1.3.1





    240
    
    
    
(MacOSX)'), 'To': FrozenToHeader(FrozenSIPURI('cisco.sipit.net', 'ag02', None,





    241
    
    
    
None, False, frozendict({}), frozendict({})), None, frozendict({'tag':





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'hNd9U3UKc.VP-1WWYP-S8MegH2yeRc5e'})), 'CSeq': (28697, 'BYE'), 'Call-ID':





    243
    
    
    
FrozenHeader('Call-ID', '41QYdm0-Eny2uHKzgETWx57HhGq47xPl'), 'Max-Forwards':





    244
    
    
    
70}, state='disconnecting', prev_state='connected', method='BYE',





    245
    
    
    
request_uri=FrozenSIPURI('132.177.252.111', 'qwbivsgz', None, 51252, False,





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frozendict({'transport': 'tcp'}), frozendict({})))





    247
    
    
    





    248
    
    
    





    249
    
    
    
2011-10-24 10:46:07.293137: Notification name=SIPInvitationChangedState





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sender=<sipsimple.core._core.Invitation object at 0x18c5abf8>





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data=NotificationData(originator='remote', body=None, code=200,





    252
    
    
    
disconnect_reason='user request', timestamp=datetime.datetime(2011, 10, 24, 10,





    253
    
    
    
46, 7, 287860), state='disconnected', headers={'Content-Length': 0, 'Via':





    254
    
    
    
[FrozenViaHeader('UDP', '132.177.252.163', 60653, frozendict({'received':





    255
    
    
    
'132.177.252.163', 'ingress-zone': 'DefaultSubZone', 'rport': 60653, 'branch':





    256
    
    
    
'z9hG4bKPjB6pOFsn58EsyG4sXhsB.72oClDLkXjEW'}))], 'From':





    257
    
    
    
FrozenFromHeader(FrozenSIPURI('cisco.sipit.net', 'ag01', None, None, False,





    258
    
    
    
frozendict({}), frozendict({})), u'Adrian Georgescu', frozendict({'tag':





    259
    
    
    
'M5uaZcSknKymRnkGTjRG88C8DG99m5Hy'})), 'Server': FrozenHeader('Server', 'Blink





    260
    
    
    
Pro 1.3.1 (MacOSX)'), 'To': FrozenToHeader(FrozenSIPURI('cisco.sipit.net',





    261
    
    
    
'ag02', None, None, False, frozendict({}), frozendict({})), None,





    262
    
    
    
frozendict({'tag': 'hNd9U3UKc.VP-1WWYP-S8MegH2yeRc5e'})), 'CSeq': (28698,





    263
    
    
    
'BYE'), 'Call-ID': FrozenHeader('Call-ID', '41QYdm0-Eny2uHKzgETWx57HhGq47xPl')},





    264
    
    
    
reason='OK', prev_state='disconnecting')





    265
    2
    Adrian Georgescu
    
}}}





    266
    7
    Adrian Georgescu
    





    267
    
    
    





    268
    
    
    
== MSRP Error ==





    269
    
    
    





    270
    
    
    
{{{





    271
    
    
    
2011-10-24 13:24:24.311 Blink Pro[3997:a0f] [Session with ag02@cisco.sipit.net] Session ended





    272
    
    
    
2011-10-24 13:25:07.452 Blink Pro[3997:6527] Account('ag01@cisco.sipit.net') registered contact "sip:ohwvastb@132.177.252.163:52017;transport=tls" at 132.177.253.22:5061;transport=tls for 93 seconds





    273
    
    
    
2011-10-24 13:26:10.570 Blink Pro[3997:6527] Account('ag01@cisco.sipit.net') registered contact "sip:ohwvastb@132.177.252.163:52017;transport=tls" at 132.177.253.22:5061;transport=tls for 93 seconds





    274
    
    
    
2011-10-24 13:26:43.250 Blink Pro[3997:a0f] Incoming session request from GES <ges@georgescu.info> with chat streams





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2011-10-24 13:27:13.688 Blink Pro[3997:6527] Account('ag01@cisco.sipit.net') registered contact "sip:ohwvastb@132.177.252.163:52017;transport=tls" at 132.177.253.22:5061;transport=tls for 93 seconds





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2011-10-24 13:27:21.438 Blink Pro[3997:a0f] Accepting session to ges@georgescu.info





    277
    
    
    
2011-10-24 13:27:21.440 Blink Pro[3997:a0f] [Session with ges@georgescu.info] Handling incoming chat stream





    278
    
    
    
2011-10-24 13:27:21.730 Blink Pro[3997:6527] Starting factory <eventlet.twistedutil.protocol.GreenInstanceFactory instance at 0x1885c620>





    279
    
    
    
2011-10-24 13:27:21.740 Blink Pro[3997:6527] /etc/resolv.conf changed, reparsing





    280
    
    
    
2011-10-24 13:27:21.740 Blink Pro[3997:6527] Resolver added ('132.177.252.2', 53) to server list





    281
    
    
    
2011-10-24 13:27:21.742 Blink Pro[3997:6527] <class 'twisted.names.dns.DNSDatagramProtocol'> starting on 54952





    282
    
    
    
2011-10-24 13:27:21.742 Blink Pro[3997:6527] Starting protocol <twisted.names.dns.DNSDatagramProtocol object at 0x18c0a490>





    283
    
    
    
2011-10-24 13:27:21.939 Blink Pro[3997:6527] (Port 54952 Closed)





    284
    
    
    
2011-10-24 13:27:21.940 Blink Pro[3997:6527] Stopping protocol <twisted.names.dns.DNSDatagramProtocol object at 0x18c0a490>





    285
    
    
    
2011-10-24 13:27:23.978 Blink Pro[3997:6527] Traceback (most recent call last):





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  File "/Users/adigeo/work/blink/build/Release/Blink Pro.app/Contents/Resources/lib/twisted/internet/base.py", line 757, in runUntilCurrent





    287
    
    
    
    call.func(*call.args, **call.kw)





    288
    
    
    
  File "/Users/adigeo/work/blink/build/Release/Blink Pro.app/Contents/Resources/lib/eventlet/hubs/twistedr.py", line 159, in call_if_greenlet_alive





    289
    
    
    
    return func(*args1, **kwargs1)





    290
    
    
    
  File "/Users/adigeo/work/blink/build/Release/Blink Pro.app/Contents/Resources/lib/eventlet/api.py", line 235, in _spawn_startup





    291
    
    
    
    return cb(*args, **kw)





    292
    
    
    
  File "/Users/adigeo/work/blink/build/Release/Blink Pro.app/Contents/Resources/lib/sipsimple/streams/msrp.py", line 260, in end





    293
    
    
    
    notification_center.remove_observer(self, sender=self)





    294
    
    
    
  File "/Users/adigeo/work/blink/build/Release/Blink Pro.app/Contents/Resources/lib/application/notification.py", line 164, in remove_observer





    295
    
    
    
    raise KeyError("observer %r not registered for %r events from %r" % (observer, name, sender))





    296
    
    
    
KeyError: 'observer <sipsimple.streams.msrp.ChatStream object at 0x1860cfd0> not registered for Any events from <sipsimple.streams.msrp.ChatStream object at 0x1860cfd0>'





    297
    
    
    
}}}