[OpenSIPS-Users] Opensips + RtpProxy: media stream timed out while starting

[Eric Tamme]

It sounds like your ACK is possible not matching the transaction and 
never routing, then the stream is shutdown based on timeout.

Check your signaling to see if it looks like your ACK/200 are being 
retransmitted.

rtpproxy is ... pretty "dumb" it ... all it does is forward packets.  It 
doesnt care if they are encrypted or not.

-Eric

On 02/13/2015 11:27 AM, Semen Golubcov wrote:
> Hello! I'm using the latest opensips with latest rtpproxy :
>
> Basic version: 20040107
> Extension 20050322: Support for multiple RTP streams and MOH
> Extension 20060704: Support for extra parameter in the V command
> Extension 20071116: Support for RTP re-packetization
> Extension 20071218: Support for forking (copying) RTP stream
> Extension 20080403: Support for RTP statistics querying
> Extension 20081102: Support for setting codecs in the update/lookup 
> command
> Extension 20081224: Support for session timeout notifications
> Extension 20090810: Support for automatic bridging
>
> i did setup the secure tls connection between clients in the opensips, 
> it uses the client certificate verification. But the interaction with 
> rtpproxy is getting messed up somehow. I'm using the blink softphone 
> to test on. So i have 2 accounts: bob and alex. When i do *call* *bob* 
> *from* *alex* i get this kind of behaviour in the *bob's softphone*:
>
> ​So it hangs on "starting media", but in the same time the actual 
> connection is established, me and my partner can hear each other and 
> we can talk perfectly, so i assume the actual stream is allright. It 
> hangs for exactly 15 seconds then we get:
>
> ​
>
> *"media stream timed out while starting" in the bob's softphone*.
>
> *On the alex softphone side*:
>
>
> ​
>
>  "call ended by remote".
>
> The icon indicating that rtp stream is encrypted is not shown on bob's 
> side, but the stream is working. I tried to disable tls, and use plain 
> tcp, and it's working fine without tls, call is not getting stuck and 
> automatically terminate.
>
> My rtpproxy is running like so:
>
> rtpproxy -u rtpproxy -s udp:localhost:12221
>
> And my opensips config is generated by osipconfig utility (i didn't 
> modify the routes at all)  see attached opensips.cfg
>
> I looked up the syslog for rtpproxy entries, apparently there is no 
> entries from rtpproxy or opensips with any error, other than
>
> Feb 13 04:00:24 user /usr/local/sbin/opensips[17535]: 
> ERROR:rtpproxy:force_rtp_proxy: Unable to parse body
>
> Feb 13 04:00:22 user /usr/local/sbin/opensips[17535]: 
> DBG:tm:matching_3261: RFC3261 transaction matching failed
>
> I hope someone can help me to solve this problem, i'am hanging on this 
> for  a week. If necessary i can post the syslog and blink softphone 
> sip traces, of our test conversation. Maybe the problem is with ACK?
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users

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