[asterisk-dev] Intermittent one-way audio and call failure on trunk

[Matthew Jordan]

<snip>

> I'd drop FreePBX and try straight asterisk.  At least this will help
> developers try to reproduce the issue.
> 
> Also, is this even a valid SDP?
> 
> ---
> 
> INVITE sip:103 at 192.168.183.144:5060 SIP/2.0
> Via: SIP/2.0/UDP 192.168.183.1:5060;branch=z9hG4bK437855a3
> Max-Forwards: 70
> From: "WIRELESS CALLER" <sip:6512454836 at 192.168.183.1>;tag=as36dfaa7e
> To: <sip:103 at 192.168.183.144:5060>
> Contact: <sip:6512454836 at 192.168.183.1:5060>
> Call-ID: 7c6fa93a4befd2de4a279c20428c6a10 at 192.168.183.1:5060
> CSeq: 102 INVITE
> User-Agent: FPBX-2.10.0(10.0)
> Date: Thu, 12 Jul 2012 20:22:41 GMT
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY,
> INFO, PUBLISH
> Supported: replaces, timer
> Content-Type: application/sdp
> Content-Length: 1674
> 
> v=0
> o=root 241945485 241945485 IN IP4 192.168.183.1
> s=Asterisk PBX SVN-trunk-r369995
> c=IN IP4 192.168.183.1
> t=0 0
> m=audio 10634 RTP/AVP 0 18 3 101
> a=rtpmap:0 PCMU/8000
> a=rtpmap:18 G729/8000
> a=fmtp:18 annexb=no
> a=rtpmap:3 GSM/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=ptime:20
> a=ice-ufrag:4ad9cb956dd68be267c870d710720d32
> a=ice-pwd:06ef6d3c320442d9407e11062b9a7e97
> a=candidate:Had08679d 1 UDP 2130706431 173.8.103.157 10634 typ host
> a=candidate:Hc0a8b701 1 UDP 2130706431 192.168.183.1 10634 typ host
> a=candidate:Hc0a8ac02 1 UDP 2130706431 192.168.172.2 10634 typ host
> a=candidate:Ha0a0001 1 UDP 2130706431 10.10.0.1 10634 typ host
> a=candidate:Had08679d 2 UDP 2130706430 173.8.103.157 10635 typ host
> a=candidate:Hc0a8b701 2 UDP 2130706430 192.168.183.1 10635 typ host
> a=candidate:Hc0a8ac02 2 UDP 2130706430 192.168.172.2 10635 typ host
> a=candidate:Ha0a0001 2 UDP 2130706430 10.10.0.1 10635 typ host
> a=sendrecv
> m=video 10660 RTP/AVP 99 104
> a=ice-ufrag:4719753d76024bab3a6d5d487fcdbcc9
> a=ice-pwd:46c323cb23353b5b6ad6669014a1a89e
> a=candidate:Had08679d 1 UDP 2130706431 173.8.103.157 10660 typ host
> a=candidate:Hc0a8b701 1 UDP 2130706431 192.168.183.1 10660 typ host
> a=candidate:Hc0a8ac02 1 UDP 2130706431 192.168.172.2 10660 typ host
> a=candidate:Ha0a0001 1 UDP 2130706431 10.10.0.1 10660 typ host
> a=candidate:Had08679d 2 UDP 2130706430 173.8.103.157 10661 typ host
> a=candidate:Hc0a8b701 2 UDP 2130706430 192.168.183.1 10661 typ host
> a=candidate:Hc0a8ac02 2 UDP 2130706430 192.168.172.2 10661 typ host
> a=candidate:Ha0a0001 2 UDP 2130706430 10.10.0.1 10661 typ host
> a=rtpmap:99 H264/90000
> a=rtpmap:104 MP4V-ES/90000
> a=sendrecv
> 

Yup, those are ICE candidates.

--
Matthew Jordan
Digium, Inc. | Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at: http://digium.com & http://asterisk.org