[SR-Users] WebRTC video call terminated after ~30 seconds

[Aqs Younas]

It looks like a nat issue. Most probably ACK after first 200 ok is unbale
to reach callee. Check debug logs and also make sure you have defined
advertised address in kamailio and request is going through kamailio natted
route.

On Wed, 14 Nov 2018 at 1:30 PM, Mathias Brodala - Pagemachine AG <
mbrodala at pagemachine.de> wrote:

> Hi,
>
> I am currently testing a setup to do video calls via WebRTC and have set
> up Kamailio as SIP server.
> So far the calls are working fine, but after around 30 seconds the calls
> are terminated.
>
> I can reproduce this easily both with the JsSIP demo [0] as well as the
> SIPjs demo [1].
>
> The browser console using JsSIP log [2] shows me this:
>
> > JsSIP:WebSocketInterface WebSocket wss://sip.example.org closed +60s
> > jssip-3.2.10.js:23490 JsSIP:WebSocketInterface WebSocket abrupt
> disconnection +1ms
>
> Please also have a look at my kamailio.cfg [3]. I tried to follow the docs
> of the websocket module [4]
> as close as possible to get everything up and running.
>
> Kamailio is currently running on a private DigitalOcean droplet and I
> already tried to disable all
> firewall rules without change. I also asked the DO staff if something
> could lead to UDP packets
> getting dropped after some time but I was told that there is no such logic
> in the DO network.
>
> Please let me know if you can find anything unusual which could cause this
> behavior or if you
> need more information.
>
> Thank you,
> Mathias Brodala
>
> [0] https://tryit.jssip.net/
> [1] https://sipjs.com/demo-phone/
> [2] https://gist.github.com/mbrodala/0f81aaa174be87096cf20502633f3ac3
> [3] https://gist.github.com/mbrodala/066faa455da46362dab3dd5326ba8ad1
> [4] https://www.kamailio.org/docs/modules/5.1.x/modules/websocket.html
> --
>
> Dipl.-Inf. (FH) Mathias Brodala
> Tel.: 069.260.99.70.45 Fax: .31
> mbrodala at pagemachine.de
>
> <https://www.pagemachine.de/>
>
>
> Pagemachine AG
> Solmsstraße 6a, 60486 Frankfurt am Main
> <https://maps.google.com/?q=Solmsstra%C3%9Fe+6a,+60486+Frankfurt+am+Main&entry=gmail&source=g>
>
> Vorstand:
> Volker Neuenhaus, Stefan Schütt, Miklos Weiszhaupt
> Vorsitzender des Aufsichtsrats: Holger Kleinschmidt
>
> Registergericht: Amtsgericht Frankfurt
> Registernummer: HRB 56436
> Umsatzsteuer-ID: DE226286966
>
> <https://www.kununu.com/de/pagemachine>
> <https://www.kununu.com/de/pagemachine>
> <http://www.frankfurt-main.ihk.de/>   <https://typo3.com/>
> _______________________________________________
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>
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