<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Is a matter of setup you may setup your own OpenSIPS instance to handle that or use <a href="http://sip2sip.info">http://sip2sip.info</a> that supports ICE server candidates.<div><div><br></div><div>Adrian<br><div><br><div><div>On Feb 16, 2012, at 11:33 AM, Bo Shi wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hi,<div> I am using sip accounts from <a href="http://opensips.org/" target="_blank">opensips.org</a> for testing. using TCP as sip transport.</div><div><br></div><div> I find server changes the "c=" line to server's public address, and this make ice mismatch because the server public address is not in ice candidate list. Is it normal? Any suggestion.</div>
<div><br></div><div><div><br></div><div><br></div><div><div>caller send:</div><div><br></div><div>INVITE <a href="mailto:sip%3Aaaaaaaaaaaaa@opensips.org" target="_blank">sip:aaaaaaaaaaaa@opensips.org</a>;transport=tcp SIP/2.0</div>
<div>Via: SIP/2.0/TCP 192.168.0.2:3719;rport;branch=z9hG4bKPj38e9f128d29b4da08f32c904</div>
<div>a14a808d</div><div>Max-Forwards: 70</div><div>From: <a href="mailto:sip%3Abbbbbbbbbbbb@opensips.org" target="_blank">sip:bbbbbbbbbbbb@opensips.org</a>;tag=0f01868840054feaae85bb57fac2c895</div><div>To: <a href="mailto:sip%3Aaaaaaaaaaaaa@opensips.org" target="_blank">sip:aaaaaaaaaaaa@opensips.org</a></div>
<div>Contact: <<a href="sip:bbbbbbbbbbbb@192.168.0.2:5060;transport=TCP;ob">sip:bbbbbbbbbbbb@192.168.0.2:5060;transport=TCP;ob</a>>;+sip.ice</div><div>Call-ID: 24a38e6ab95b43a6bad890246459c2d5</div><div>CSeq: 18457 INVITE</div><div>Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY, REFER, MESSAG</div>
<div>E, OPTIONS</div><div>Supported: replaces, 100rel, timer, norefersub</div><div>Session-Expires: 1800</div><div>Min-SE: 90</div><div>Content-Type: application/sdp</div><div>Content-Length: 1818</div><div><br></div><div>
v=0</div><div>o=- 3538405122 3538405122 IN IP4 125.114.188.111</div><div>s=pjmedia</div><div>c=IN IP4 125.114.188.111</div><div>b=AS:352</div><div>t=0 0</div><div>a=X-nat:5</div><div>m=audio 64197 RTP/AVP 0 8 96</div><div>
c=IN IP4 125.114.188.111</div><div>b=TIAS:64000</div><div>a=rtcp:64567 IN IP4 125.114.188.111</div><div>a=sendrecv</div><div>a=rtpmap:0 PCMU/8000</div><div>a=rtpmap:8 PCMA/8000</div><div>a=rtpmap:96 telephone-event/8000</div>
<div>a=fmtp:96 0-15</div><div>a=ice-ufrag:575360bf</div><div>a=ice-pwd:5c673cd6</div><div>a=candidate:Sc0a80002 1 UDP 1694498815 125.114.188.111 64197 typ srflx raddr 192</div><div>.168.0.2 rport 3957</div><div>a=candidate:Hc0a80002 1 UDP 2130706431 192.168.0.2 3957 typ host</div>
<div>a=candidate:Hc0a87901 1 UDP 2130706431 192.168.121.1 3957 typ host</div><div>a=candidate:Hc0a80301 1 UDP 2130706431 192.168.3.1 3957 typ host</div><div>a=candidate:Sc0a80002 2 UDP 1694498814 125.114.188.111 64567 typ srflx raddr 192</div>
<div>.168.0.2 rport 3960</div><div>a=candidate:Hc0a80002 2 UDP 2130706430 192.168.0.2 3960 typ host</div><div>a=candidate:Hc0a87901 2 UDP 2130706430 192.168.121.1 3960 typ host</div><div>a=candidate:Hc0a80301 2 UDP 2130706430 192.168.3.1 3960 typ host</div>
<div>m=video 63577 RTP/AVP 97</div><div>c=IN IP4 125.114.188.111</div><div>b=TIAS:256000</div><div>a=rtcp:60443 IN IP4 125.114.188.111</div><div>a=sendrecv</div><div>a=rtpmap:97 H264/90000</div><div>a=fmtp:97 profile-level-id=42e01e; packetization-mode=1</div>
<div>a=ice-ufrag:422d54dc</div><div>a=ice-pwd:368e0d66</div><div>a=candidate:Sc0a80002 1 UDP 1694498815 125.114.188.111 63577 typ srflx raddr 192</div><div>.168.0.2 rport 3963</div><div>a=candidate:Hc0a80002 1 UDP 2130706431 192.168.0.2 3963 typ host</div>
<div>a=candidate:Hc0a87901 1 UDP 2130706431 192.168.121.1 3963 typ host</div><div>a=candidate:Hc0a80301 1 UDP 2130706431 192.168.3.1 3963 typ host</div><div>a=candidate:Sc0a80002 2 UDP 1694498814 125.114.188.111 60443 typ srflx raddr 192</div>
<div>.168.0.2 rport 3966</div><div>a=candidate:Hc0a80002 2 UDP 2130706430 192.168.0.2 3966 typ host</div><div>a=candidate:Hc0a87901 2 UDP 2130706430 192.168.121.1 3966 typ host</div><div>a=candidate:Hc0a80301 2 UDP 2130706430 192.168.3.1 3966 typ host</div>
<div><br></div><div><br></div><div><br></div><div>=========================================================================================================================================</div><div>callee received through <a href="http://opensips.org/" target="_blank">opensips.org</a> sip server:</div>
<div><br></div><div><br></div><div>INVITE <a href="sip:aaaaaaaaaaaa@192.168.0.5:5060;transport=TCP;ob">sip:aaaaaaaaaaaa@192.168.0.5:5060;transport=TCP;ob</a> SIP/2.0</div><div>Record-Route: <<a href="sip:78.46.64.50;transport=tcp;lr;ftag=0f01868840054feaae85bb57fac2c895;did=3f8.d371e2a6">sip:78.46.64.50;transport=tcp;lr;ftag=0f01868840054feaae85bb57fac2c895;did=3f8.d371e2a6</a>></div>
<div>Via: SIP/2.0/TCP 78.46.64.50;branch=z9hG4bK339.c6938285.0;i=907</div><div>Via: SIP/2.0/TCP 192.168.0.2:3719;received=125.114.188.111;rport=64325;branch=z9hG4bKPjf6b7575ef22845d59a1e4d077311603c</div><div>Max-Forwards: 12</div>
<div>From: <a href="mailto:sip%3Abbbbbbbbbbbb@opensips.org" target="_blank">sip:bbbbbbbbbbbb@opensips.org</a>;tag=0f01868840054feaae85bb57fac2c895</div><div>To: <a href="mailto:sip%3Aaaaaaaaaaaaa@opensips.org" target="_blank">sip:aaaaaaaaaaaa@opensips.org</a></div>
<div>Contact: <<a href="sip:bbbbbbbbbbbb@125.114.188.111:64325;transport=TCP;ob;bnat=yes">sip:bbbbbbbbbbbb@125.114.188.111:64325;transport=TCP;ob;bnat=yes</a>>;+sip.ice</div><div>Call-ID: 24a38e6ab95b43a6bad890246459c2d5</div><div>CSeq: 18458 INVITE</div><div>Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS</div>
<div>Supported: replaces, 100rel, timer, norefersub</div><div>Session-Expires: 1800</div><div>Min-SE: 90</div><div>Content-Type: application/sdp</div><div>Content-Length: 1812</div><div><br></div><div>v=0</div><div>o=- 3538405122 3538405122 IN IP4 78.46.64.50</div>
<div>s=pjmedia</div><div>c=IN IP4 78.46.64.50</div><div>b=AS:352</div><div>t=0 0</div><div>a=X-nat:5</div><div>m=audio 63996 RTP/AVP 0 8 96</div><div>c=IN IP4 78.46.64.50</div><div>b=TIAS:64000</div><div>a=rtcp:63997 IN IP4 78.46.64.50</div>
<div>a=sendrecv</div><div>a=rtpmap:0 PCMU/8000</div><div>a=rtpmap:8 PCMA/8000</div><div>a=rtpmap:96 telephone-event/8000</div><div>a=fmtp:96 0-15</div><div>a=ice-ufrag:575360bf</div><div>a=ice-pwd:5c673cd6</div><div>a=candidate:Sc0a80002 1 UDP 1694498815 125.114.188.111 64197 typ srflx raddr 192.168.0.2 rport 3957</div>
<div>a=candidate:Hc0a80002 1 UDP 2130706431 192.168.0.2 3957 typ host</div><div>a=candidate:Hc0a87901 1 UDP 2130706431 192.168.121.1 3957 typ host</div><div>a=candidate:Hc0a80301 1 UDP 2130706431 192.168.3.1 3957 typ host</div>
<div>a=candidate:Sc0a80002 2 UDP 1694498814 125.114.188.111 64567 typ srflx raddr 192.168.0.2 rport 3960</div><div>a=candidate:Hc0a80002 2 UDP 2130706430 192.168.0.2 3960 typ host</div><div>a=candidate:Hc0a87901 2 UDP 2130706430 192.168.121.1 3960 typ host</div>
<div>a=candidate:Hc0a80301 2 UDP 2130706430 192.168.3.1 3960 typ host</div><div>m=video 60104 RTP/AVP 97</div><div>c=IN IP4 78.46.64.50</div><div>b=TIAS:256000</div><div>a=rtcp:60105 IN IP4 78.46.64.50</div><div>a=sendrecv</div>
<div>a=rtpmap:97 H264/90000</div><div>a=fmtp:97 profile-level-id=42e01e; packetization-mode=1</div><div>a=ice-ufrag:422d54dc</div><div>a=ice-pwd:368e0d66</div><div>a=candidate:Sc0a80002 1 UDP 1694498815 125.114.188.111 63577 typ srflx raddr 192.168.0.2 rport 3963</div>
<div>a=candidate:Hc0a80002 1 UDP 2130706431 192.168.0.2 3963 typ host</div><div>a=candidate:Hc0a87901 1 UDP 2130706431 192.168.121.1 3963 typ host</div><div>a=candidate:Hc0a80301 1 UDP 2130706431 192.168.3.1 3963 typ host</div>
<div>a=candidate:Sc0a80002 2 UDP 1694498814 125.114.188.111 60443 typ srflx raddr 192.168.0.2 rport 3966</div><div>a=candidate:Hc0a80002 2 UDP 2130706430 192.168.0.2 3966 typ host</div><div>a=candidate:Hc0a87901 2 UDP 2130706430 192.168.121.1 3966 typ host</div>
<div>a=candidate:Hc0a80301 2 UDP 2130706430 192.168.3.1 3966 typ host</div><div>a=nortpproxy:yes</div><div><br></div><div><br></div><div><br></div><div><br></div></div></div>
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