[SR-Users] rtpproxy-ng ipv4-ipv6 bridge mode problem

Richard Fuchs rfuchs at sipwise.com
Mon Nov 11 18:42:32 CET 2013


Hello,

There was a small code artifact in the rtpproxy-ng module that broke
communication of IPv6 source addresses to mediaproxy-ng. Please update
your Kamailio sources from git master and recompile, that should fix it.

cheers


On 11/11/13 10:29, Pavel Miskov wrote:
> Hi all,
> 
> I'm trying to use rtpproxy-ng module (kamailio 4.1 from GIT) and
> mediaproxy-ng (from https://github.com/sipwise/mediaproxy-ng) in
> bridge ipv4-ipv6 mode with new NG protocol but keep getting "Failed to
> extract streams from SDP: No address info found for stream" (log is
> bellow).
> 
> Same setup, same SIP clients, same network but with old rtpproxy
> module and mediaproxy-ng without NG protocol works fine for ipv4-ipv6
> bridge mode. of course, only change is in Kamailio configuration where
> now I load rtpproxy module and change sockets not to use new NG
> protocol. mediaproxy-ng configuration is untouched.
> 
> 
> Best regards
> 
> /Pavel
> 
> 
> 
> Nov 11 15:58:00 kamailio2 mediaproxy-ng[4790]: Got valid command from
> 183.24.6.201:57283: answer - { "sdp": "v=0#015#012o=john 0 0 IN IP6
> 2004:c23:d:caef:3426:666:e36c:12#015#012s=-#015#012c=IN IP6
> 2004:c23:d:caef:3426:666:e36c:12#015#012t=0 0#015#012m=audio 5076
> RTP/AVP 96 9 97 98 100 102 0 8 103 3 104 101#015#012a=rtpmap:96
> opus/48000#015#012a=fmtp:96 usedtx=1#015#012a=rtpmap:9
> G722/8000#015#012a=rtpmap:97 SILK/24000#015#012a=rtpmap:98
> SILK/16000#015#012a=rtpmap:100 speex/32000#015#012a=rtpmap:102
> speex/16000#015#012a=rtpmap:0 PCMU/8000#015#012a=rtpmap:8
> PCMA/8000#015#012a=rtpmap:103 iLBC/8000#015#012a=rtpmap:3
> GSM/8000#015#012a=rtpmap:104 speex/8000#015#012a=rtpmap:101
> telephone-event/8000#015#012m=video 5078 RTP/AVP 105
> 99#015#012a=inactive#015#012a=rtpmap:105 H264/90000#015#012a=fmtp:105
> profile-level-id=4DE01f;packetization-mode=1#015#012a=imageattr:105
> send * recv [x=[0-1440],y=[0-900]]#015#012a=rtpmap:99
> H264/90000#015#012a=fmtp:99
> profile-level-id=4DE01f#015#012a=imageattr:99 send * recv
> [x=[0-1440],y=[0-900]]#015#012", "direction": [ "external", "internal"
> ], "flags": [ "force", "symmetric" ], "call-id":
> "60a061ef55655c340a4ffc536383c4ad at 0:0:0:0:0:0:0:0", "via-branch":
> "branch_v4_v6", "received-from": [ "?",
> "2004:C23:D:CAEF:52e6:BB4:C6F2:1CAD" ], "from-tag": "3a21da16",
> "to-tag": "5668dfd9", "command": "answer" }
> 
> Nov 11 15:58:00 kamailio2 mediaproxy-ng[4790]: Failed to extract
> streams from SDP: No address info found for stream
> 
> Nov 11 15:58:00 kamailio2 mediaproxy-ng[4790]: Protocol error in
> packet from 183.24.6.201:57283: Incomplete SDP specification
> [d3:sdp771:v=0#015#012o=john 0 0 IN IP6
> 2004:c23:d:caef:3426:666:e36c:12#015#012s=-#015#012c=IN IP6
> 2004:c23:d:caef:3426:666:e36c:12#015#012t=0 0#015#012m=audio 5076
> RTP/AVP 96 9 97 98 100 102 0 8 103 3 104 101#015#012a=rtpmap:96
> opus/48000#015#012a=fmtp:96 usedtx=1#015#012a=rtpmap:9
> G722/8000#015#012a=rtpmap:97 SILK/24000#015#012a=rtpmap:98
> SILK/16000#015#012a=rtpmap:100 speex/32000#015#012a=rtpmap:102
> speex/16000#015#012a=rtpmap:0 PCMU/8000#015#012a=rtpmap:8
> PCMA/8000#015#012a=rtpmap:103 iLBC/8000#015#012a=rtpmap:3
> GSM/8000#015#012a=rtpmap:104 speex/8000#015#012a=rtpmap:101
> telephone-event/8000#015#012m=video 5078 RTP/AVP 105
> 99#015#012a=inactive#015#012a=rtpmap:105 H264/90000#015#012a=fmtp:105
> profile-level-id=4DE01f;packetization-mode=1#015#012a=imageattr:105
> send * recv [x=[0-1440],y=[0-900]]#015#012a=rtpmap:99
> H264/90000#015#012a=fmtp:99
> profile-level-id=4DE01f#015#012a=imageattr:99 send * recv
> [x=[0-1440],y=[0-900]]#015#0129:directionl8:external8:internale5:flagsl5:force9:symmetrice7:call-id48:60a061ef55655c340a4ffc536383c4ad at 0:0:0:0:0:0:0:010:via-branch14:branch_v4_v613:received-froml1:?34:2004:C23:D:CAEF:52e6:BB4:C6F2:1CADe8:from-tag8:3a21da166:to-tag8:5668dfd97:command6:answere]
> 
> Nov 11 15:58:00 kamailio2 mediaproxy-ng[4790]: Returning to SIP proxy:
> d6:result5:error12:error-reason28:Incomplete SDP specificatione
> 
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