[SR-Users] Some of the calls drops after 15 minutes + some seconds

[Daniel-Constantin Mierla]

On 17/07/14 20:56, Andras FOGARASI wrote:
>
> On 7/17/14, 5:34 PM, Frank Carmickle wrote:
>> On Jul 17, 2014, at 11:27 AM, Andras FOGARASI <fogarasi at fogarasi.com> wrote:
>>
>>> On 7/17/14, 3:41 PM, Frank Carmickle wrote:
>>>> I would expect that if it was a NAT issue you would see it much sooner than 15 minutes, 30-60 seconds.  Are session timers being stripped by Kamailio?  You say it's a TURN server or is it acting more like a media relay where it is signaled into the path?  What TURN server are you using?  How is it configured?
>>>>
>>> The problem occurs even without TURN, in pure peer-to-peer mode. We use
>>> TURN only in emergency case (symmetric NAT and like that...). I do
>>> nothing with session timers - i didn't think about it until now…
>>
>> How do you set up the TURN only in emergency case?  Do the phones do it themselves?  Does Kamailio control the TURN, rtpengine/mediaproxy-ng?
>>
>> Who sends the bye?
>>
> Caller send BYE as i see.
>
> Meanwhile i made some debug: after 15 minutes an UPDATE comes. Sometimes
> the UPDATE is answered with 200 OK, then the call doesn't drop,
> continues and everything works as expected. Sometimes it's not answered
> at all (it seems timeout), then hangs up.
>
Is the UPDATE forwarded from the proxy? Can you see some activity on the 
network? Maybe you can run kamailio with debug=3 in cfg and get more log 
messages from there that can provide further hints.

Also, you can try to run over tcp to see if it reproduces in the same way.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda