[SR-Users] Parallel forking - first responder wins
jchavanton at gmail.com
Mon Apr 20 15:58:18 CEST 2020
You are right that this is not very explicit.
Kamailio will cancel automatically once one branch connects but if it
failed to cancel (meaning other branches connects)
The originiting UAC will have to disconnect the extra calls.
Which is something that is handled properly by most if not all.
On Mon, Apr 20, 2020, 01:31 Ivan Ribakov <i.ribakov at zaleos.net> wrote:
> Hi all,
> What I’m trying to achieve is to have Kamailio fork an INVITE to multiple
> endpoints in parallel but only maintain the branch that responds first
> (first to respond with 200 OK I guess).
> I’ve read the TM module documentation on forking (
> and as far as I understood a combination of “seturi()” + “append_branch()”
> + “t_relay()” command calls will allow me to send multiple forked INVITEs
> in parallel.
> What I couldn't find information about in the documentation (please point
> me to it in case I missed it) is what controls (if any) do I have over
> forked requests. Do I need to keep track of the branches myself and cancel
> others when first succeeds or does Kamailio have some kind of setting for
> implementing such behaviour?
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
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