[OpenSIPS-Users] opensips server modify the "c=" line then cause ice mismatch

Thu Feb 16 11:42:48 CET 2012

Is a matter of setup you may setup your own OpenSIPS instance to handle that or use http://sip2sip.info that supports ICE server candidates.

Adrian

On Feb 16, 2012, at 11:33 AM, Bo Shi wrote:

> Hi,
>    I am using sip accounts from opensips.org for testing. using TCP as sip transport.
> 
>    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.
> 
> 
> 
> caller send:
> 
> INVITE sip:aaaaaaaaaaaa at opensips.org;transport=tcp SIP/2.0
> Via: SIP/2.0/TCP 192.168.0.2:3719;rport;branch=z9hG4bKPj38e9f128d29b4da08f32c904
> a14a808d
> Max-Forwards: 70
> From: sip:bbbbbbbbbbbb at opensips.org;tag=0f01868840054feaae85bb57fac2c895
> To: sip:aaaaaaaaaaaa at opensips.org
> Contact: <sip:bbbbbbbbbbbb at 192.168.0.2:5060;transport=TCP;ob>;+sip.ice
> Call-ID: 24a38e6ab95b43a6bad890246459c2d5
> CSeq: 18457 INVITE
> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY, REFER, MESSAG
> E, OPTIONS
> Supported: replaces, 100rel, timer, norefersub
> Session-Expires: 1800
> Min-SE: 90
> Content-Type: application/sdp
> Content-Length:  1818
> 
> v=0
> o=- 3538405122 3538405122 IN IP4 125.114.188.111
> s=pjmedia
> c=IN IP4 125.114.188.111
> b=AS:352
> t=0 0
> a=X-nat:5
> m=audio 64197 RTP/AVP 0 8 96
> c=IN IP4 125.114.188.111
> b=TIAS:64000
> a=rtcp:64567 IN IP4 125.114.188.111
> a=sendrecv
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:96 telephone-event/8000
> a=fmtp:96 0-15
> a=ice-ufrag:575360bf
> a=ice-pwd:5c673cd6
> a=candidate:Sc0a80002 1 UDP 1694498815 125.114.188.111 64197 typ srflx raddr 192
> .168.0.2 rport 3957
> a=candidate:Hc0a80002 1 UDP 2130706431 192.168.0.2 3957 typ host
> a=candidate:Hc0a87901 1 UDP 2130706431 192.168.121.1 3957 typ host
> a=candidate:Hc0a80301 1 UDP 2130706431 192.168.3.1 3957 typ host
> a=candidate:Sc0a80002 2 UDP 1694498814 125.114.188.111 64567 typ srflx raddr 192
> .168.0.2 rport 3960
> a=candidate:Hc0a80002 2 UDP 2130706430 192.168.0.2 3960 typ host
> a=candidate:Hc0a87901 2 UDP 2130706430 192.168.121.1 3960 typ host
> a=candidate:Hc0a80301 2 UDP 2130706430 192.168.3.1 3960 typ host
> m=video 63577 RTP/AVP 97
> c=IN IP4 125.114.188.111
> b=TIAS:256000
> a=rtcp:60443 IN IP4 125.114.188.111
> a=sendrecv
> a=rtpmap:97 H264/90000
> a=fmtp:97 profile-level-id=42e01e; packetization-mode=1
> a=ice-ufrag:422d54dc
> a=ice-pwd:368e0d66
> a=candidate:Sc0a80002 1 UDP 1694498815 125.114.188.111 63577 typ srflx raddr 192
> .168.0.2 rport 3963
> a=candidate:Hc0a80002 1 UDP 2130706431 192.168.0.2 3963 typ host
> a=candidate:Hc0a87901 1 UDP 2130706431 192.168.121.1 3963 typ host
> a=candidate:Hc0a80301 1 UDP 2130706431 192.168.3.1 3963 typ host
> a=candidate:Sc0a80002 2 UDP 1694498814 125.114.188.111 60443 typ srflx raddr 192
> .168.0.2 rport 3966
> a=candidate:Hc0a80002 2 UDP 2130706430 192.168.0.2 3966 typ host
> a=candidate:Hc0a87901 2 UDP 2130706430 192.168.121.1 3966 typ host
> a=candidate:Hc0a80301 2 UDP 2130706430 192.168.3.1 3966 typ host
> 
> 
> 
> =========================================================================================================================================
> callee received through opensips.org sip server:
> 
> 
> INVITE sip:aaaaaaaaaaaa at 192.168.0.5:5060;transport=TCP;ob SIP/2.0
> Record-Route: <sip:78.46.64.50;transport=tcp;lr;ftag=0f01868840054feaae85bb57fac2c895;did=3f8.d371e2a6>
> Via: SIP/2.0/TCP 78.46.64.50;branch=z9hG4bK339.c6938285.0;i=907
> Via: SIP/2.0/TCP 192.168.0.2:3719;received=125.114.188.111;rport=64325;branch=z9hG4bKPjf6b7575ef22845d59a1e4d077311603c
> Max-Forwards: 12
> From: sip:bbbbbbbbbbbb at opensips.org;tag=0f01868840054feaae85bb57fac2c895
> To: sip:aaaaaaaaaaaa at opensips.org
> Contact: <sip:bbbbbbbbbbbb at 125.114.188.111:64325;transport=TCP;ob;bnat=yes>;+sip.ice
> Call-ID: 24a38e6ab95b43a6bad890246459c2d5
> CSeq: 18458 INVITE
> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS
> Supported: replaces, 100rel, timer, norefersub
> Session-Expires: 1800
> Min-SE: 90
> Content-Type: application/sdp
> Content-Length: 1812
> 
> v=0
> o=- 3538405122 3538405122 IN IP4 78.46.64.50
> s=pjmedia
> c=IN IP4 78.46.64.50
> b=AS:352
> t=0 0
> a=X-nat:5
> m=audio 63996 RTP/AVP 0 8 96
> c=IN IP4 78.46.64.50
> b=TIAS:64000
> a=rtcp:63997 IN IP4 78.46.64.50
> a=sendrecv
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:96 telephone-event/8000
> a=fmtp:96 0-15
> a=ice-ufrag:575360bf
> a=ice-pwd:5c673cd6
> a=candidate:Sc0a80002 1 UDP 1694498815 125.114.188.111 64197 typ srflx raddr 192.168.0.2 rport 3957
> a=candidate:Hc0a80002 1 UDP 2130706431 192.168.0.2 3957 typ host
> a=candidate:Hc0a87901 1 UDP 2130706431 192.168.121.1 3957 typ host
> a=candidate:Hc0a80301 1 UDP 2130706431 192.168.3.1 3957 typ host
> a=candidate:Sc0a80002 2 UDP 1694498814 125.114.188.111 64567 typ srflx raddr 192.168.0.2 rport 3960
> a=candidate:Hc0a80002 2 UDP 2130706430 192.168.0.2 3960 typ host
> a=candidate:Hc0a87901 2 UDP 2130706430 192.168.121.1 3960 typ host
> a=candidate:Hc0a80301 2 UDP 2130706430 192.168.3.1 3960 typ host
> m=video 60104 RTP/AVP 97
> c=IN IP4 78.46.64.50
> b=TIAS:256000
> a=rtcp:60105 IN IP4 78.46.64.50
> a=sendrecv
> a=rtpmap:97 H264/90000
> a=fmtp:97 profile-level-id=42e01e; packetization-mode=1
> a=ice-ufrag:422d54dc
> a=ice-pwd:368e0d66
> a=candidate:Sc0a80002 1 UDP 1694498815 125.114.188.111 63577 typ srflx raddr 192.168.0.2 rport 3963
> a=candidate:Hc0a80002 1 UDP 2130706431 192.168.0.2 3963 typ host
> a=candidate:Hc0a87901 1 UDP 2130706431 192.168.121.1 3963 typ host
> a=candidate:Hc0a80301 1 UDP 2130706431 192.168.3.1 3963 typ host
> a=candidate:Sc0a80002 2 UDP 1694498814 125.114.188.111 60443 typ srflx raddr 192.168.0.2 rport 3966
> a=candidate:Hc0a80002 2 UDP 2130706430 192.168.0.2 3966 typ host
> a=candidate:Hc0a87901 2 UDP 2130706430 192.168.121.1 3966 typ host
> a=candidate:Hc0a80301 2 UDP 2130706430 192.168.3.1 3966 typ host
> a=nortpproxy:yes
> 
> 
> 
> 
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