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

[jenus at cyberchaos.nl]

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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