RTPengine should be configured with connection to redis. When a failover happens, the virtual IP address used by the RTPengine address needs to be migrated to another node. And ReINVITE required.
On Mon, May 25, 2026 at 6:50 PM Jakihiko via sr-dev < [email protected]> wrote: > *Jakihiko* created an issue (kamailio/kamailio#4756) > <https://github.com/kamailio/kamailio/issues/4756> > > 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, eg: *rtpengine-B* > > 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? > > Note: I don't setup or trying to do anything with High availability. All > rtpengine are run independently without knowing others > > — > Reply to this email directly, view it on GitHub > <https://github.com/kamailio/kamailio/issues/4756>, or unsubscribe > <https://github.com/notifications/unsubscribe-auth/CB4WU7HSAE5TVBZCURTC6HT44RTCLAVCNFSM6AAAAACZMNJAPCVHI2DSMVQWIX3LMV43ASLTON2WKOZUGUYTQMBVGU3TSOA> > . > Triage notifications on the go with GitHub Mobile for iOS > <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> > or Android > <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub>. > > You are receiving this because you are subscribed to this thread.Message > ID: <kamailio/kamailio/issues/[email protected]> > _______________________________________________ > Kamailio - Development Mailing List -- [email protected] > To unsubscribe send an email to [email protected] > Important: keep the mailing list in the recipients, do not reply only to > the sender! >
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