[SR-Users] kamailio-5.0.5 active/passive pcs/cluster with rtpengine - how to fix calls after failover

[Karsten Horsmann]

Hi Daniel,

Yes, they are.

At this point I using only one redis key space for both rtpengines. I just
fire it up on the backup machine so it reads the RTP sessions from redis.

Both rtpengines had the same configuration. Only one is active.

But I found the nice redis key space separated and active / active -
multiple rtpengine feature for it. Not implemented this at the moment.

Am 05.01.2018 8:49 vorm. schrieb "Daniel-Constantin Mierla" <
miconda at gmail.com>:

> Hello,
>
> are kamailio and rtpenigine on same system?
>
> Cheers,
> Daniel
>
> On 04.01.18 12:21, Karsten Horsmann wrote:
>
> Hello List,
>
> and also an happy new year to everyone.
>
> I use CentOS 7.4.x with kamailio 5.0.5 and rtpengine on a
> pacemaker/corosync cluster
> in front of an internal kamailio siprouter and media-services.
>
> If i did an "pcs node standby" to failover my frontend-kamailio (udp/tcp
> 5060, udp/tcp 5061-tls and tcp websocket-secure) i noticed the following
> scenarios:
>
> 1) Plain RTP: just stocks a few seconds and flows. Everything fine.
> 2) SDES/RTP: silence - but REINVITE manually in my client brings audio
> back. Need improvement.
> 3) DTLS/RTP WebRTC: silence - all clients shows an active call. I know
> that there is NO way to recover this call - because of the temporay DTLS
> certificate due the rtpengine start-up.
>
>
> So i thought - for scenario1) i dont need anything to do. Works nice.
> For scenario2) i need something to "remember its SDES/RTP calls and send
> them an REINVITE"
> And for scenario3) i should just hangup all WebRTC calls - IMHO the best
> for that.
>
> How can i fire-up these tasks to get an "clean-up" or "reinvite" after an
> failover?
>
>
> scenario legend:
> 1) unencrypted call
> 2) TLS/SDES encrypted call
> 3) DTÖS WebRTC encrypted call
>
> --
> Kind Regards
> *Karsten Horsmann*
>
>
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>
> --
> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
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>
>
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