Re: Kamailio change rtpengine in mid-cal

Please check
https://github.com/sipwise/rtpengine/issues/1241

It looks like this works as expected on
dbf79cb76274b182f4fb1be10ea894d46b9ba818
<https://github.com/dvillaume/rtpengine/commit/dbf79cb76274b182f4fb1be10ea894d46b9ba818>
commit.
You can try make git bisect to find commit where this functionally is broke.
Then you can report the ticket and wait when it will be fixed.

Sergey

On Wed, Apr 29, 2026 at 8:39 AM Myng via sr-users <
[email protected]> wrote:

> I am encountering an issue regarding how Kamailio handles rtpengine node
> failures mid-call, and I would like to clarify the expected behavior.
>
> *The Scenario:* I have a setup with multiple rtpengines (e.g., 4 nodes)
> all configured in the same pool with setid=0.
>
>    1.
>
>    An initial INVITE arrives, and Kamailio successfully selects
>    *rtpengine-A* for the call.
>    2.
>
>    Later in the dialog, a re-INVITE occurs.
>    3.
>
>    Coincidentally, *rtpengine-A* is unavailable at that exact moment.
>    4.
>
>    Kamailio then automatically switches to a different rtpengine node in
>    the set.
>
> *The Question:* Based on my reading of an older issue (#2713
> <https://github.com/kamailio/kamailio/issues/2713>), my understanding was
> that Kamailio should *not* change the rtpengine node mid-call, as a new
> node will not have the media state for the ongoing session.
>
> Could you please confirm if my understanding is correct, or if Kamailio’s
> default failover behavior for mid-call transactions has changed recently?
>
>
> Thank you for your time and insights!
>
>
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