[SR-Users] Issue with UAC restore_mode when restore_dlg is enabled

Daniel-Constantin Mierla miconda at gmail.com
Tue Feb 19 09:27:21 CET 2019


Can you check via rpc and looking at database tables if dialog record is
there?

Cheers,
Daniel

On Tue, 19 Feb 2019, 08:44 <jenus at cyberchaos.nl wrote:

> Daniel,
>
> Yes the uac_replace_from is called from a branch route.
>
> Jan
>
> Daniel-Constantin Mierla schreef op 2019-02-19 08:26:
> > I do not recall any relevant changes recently in this part of the code,
> > so likely to be same result for 5.2.
> >
> > With restore_dlg set to 1, dialog variables are used for storing the
> > headers. When do you call uac_replace_from()/_to()? Is it in a
> > branch_route?
> >
> > Cheers,
> > Daniel
> >
> > On 19.02.19 08:07, jenus at cyberchaos.nl wrote:
> >> Forgot to mention, i'm running kamailio 5.1.7, did not test yet with
> >> the latest 5.2 release.
> >>
> >> Jan
> >>
> >>
> >> jenus at cyberchaos.nl schreef op 2019-02-18 15:22:
> >>> Hello,
> >>>
> >>> I'm running into a issue with restore_mode auto when i enable
> >>> restore_dlg in the uac module. I have a feature where i reroute calls
> >>> for a subscriber when it is offline. When routing calls to the
> >>> subscriber i check the exit status of "lookup("location")" and
> >>> re-route the call. This works fine. It seems to fail when i hit the
> >>> failure route (subscriber has a usrloc entry but does not respond).
> >>> In
> >>> the failure route i append_branch and reroute the call.
> >>>
> >>> The rerouting works fine, but when i receive the ACK on the 200OK on
> >>> the re-routed call the "restore" feature seems to fail and i end up
> >>> with a header like:
> >>>
> >>> To:
> >>> <sip:+<null>@voip-dev.domain.nl
> >;tag=5B8ABC8A-5C6ABE83000EBF35-AB202700
> >>> in the ACK.
> >>>
> >>> If i disable restore_dlg feature from the UAC module it adds the
> >>> vsf/vst to the Record-Route header and all works fine.
> >>>
> >>> Do i need to do something special when i create a new branch and use
> >>> the restore_dlg feature?
> >>>
> >>>
> >>> Thanks,
> >>>
> >>> Jan Hazenberg
> >>>
> >>> _______________________________________________
> >>> Kamailio (SER) - Users Mailing List
> >>> sr-users at lists.kamailio.org
> >>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
> >>
> >>
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