I think you need to use
t_on_branch_failure()
If I got you correctly
Regards, Igor
On Sep 6, 2018, 10:06 PM +0300, Henning Westerholt <h...@kamailio.org>, wrote:
> Am Mittwoch, 5. September 2018, 14:03:10 CEST schrieb Володимир Іванець:
> > I wanted to ask those who know if Kamailio's behavior I'm facing is
> > expected or I should make some improvements to the configuration. Kamailio
> > version is 5.1.0.
> >
> > I have a route where RTPEngine parameters are being collected and
> > *rtpengine_offer()* is called. After that *t_on_reply("REPLY_SIP_TO_SIP");*
> > followed by the *t_on_failure("FAILURE_SIP_TO_SIP");* are used. The idea is
> > to process all responces except 415 or 488 from UAC as usual in
> > *onreply_route[REPLY_SIP_TO_SIP]* and use
> > *failure_route[FAILURE_SIP_TO_SIP]* to update SDP with *rtpengine_offer()*
> > if necessary.
> >
> > *onreply_route[REPLY_SIP_TO_SIP]* just goes to *exit;* if *$rs* equals 415
> > or 488. This works fine with Htek phone which sends 100, 180 and then 488.
> > But I can not see *failure_route[FAILURE_SIP_TO_SIP]* execution for calls
> > to Zoiper which replies with 100 and immediately 415.
> >
> > t_on_failure(failure_route) documentation says: "Sets failure routing
> > block, to which control is passed after a transaction completed with a
> > negative result but before sending a final reply." and to be honest I don't
> > really understand how lacking of responce prevents failure_route from
> > executing.
>
> Hello,
>
> I did not understand you completely here. Did you receive a 415 and the
> failure route is not entered, or you did not receive a response as stated in
> the last sentence?
>
> If the failure_route is entered for the 488, then it should be also entered
> for the 415. I am not aware of a special handling of this code in tm. (Only
> that 415 is one of the replies that get a priority comparing to normal 4xx.)
>
> I would suggest to try with debugging enabled and compare the logs for a
> working, and for a non-working call. You could also try to concentrate on one
> problem first, like the failure_route topic, and then combining this with the
> reply_route.
>
> Best regards,
>
> Henning
>
> --
> Henning Westerholt
> https://skalatan.de/blog/
>
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