[SR-Users] t_uac_send function with From tag

[Daniel-Constantin Mierla]

Maybe it works to use:

  *
https://www.kamailio.org/docs/modules/stable/modules/tmx.html#tmx.f.t_cancel_callid

Haven't used it for local generated INVITEs (as I guess you do), but it
may work.

Cheers,
Daniel

On 19.11.20 23:09, João Vitor Arruda wrote:
> I have a follow up question on this.
>
> Now that the From tag works as expected I'm not getting a "400 Bad
> Request" for the CANCEL being created by the t_uac_send inside a
> failure_route anymore.
> But now i'm getting "481 Call/Transaction Does Not Exist"
> Since the from header and tag, to header, Call-ID and CSeq all matches
> the original INVITE I suspect that is because the Via header branch
> parameter in the CANCEL doesn't match the one from the original
> INVITE.
>
> There is a way to make it matching?
>
> Regards,
> Joao Arruda
>
> Em qui., 19 de nov. de 2020 às 17:40, João Vitor Arruda
> <joao.arruda at gmail.com> escreveu:
>> Hi Daniel,
>>
>> I've tried this patch and now the From tag works as expected.
>> Thank you very much for the quick response and patch.
>>
>> Regards,
>> Joao Arruda
>>
>> Em qui., 19 de nov. de 2020 às 13:09, Daniel-Constantin Mierla
>> <miconda at gmail.com> escreveu:
>>> Hello,
>>>
>>> can you try with master branch or with the patch from the next commit?
>>>
>>>   *
>>> https://github.com/kamailio/kamailio/commit/aa6e9963b2725c1b6b7e5ff995a77c222d95fa3c
>>>
>>> If all ok, then I can backport to stable branches.
>>>
>>> Cheers,
>>> Daniel
>>>
>>> On 18.11.20 21:45, João Vitor Arruda wrote:
>>>> Hello,
>>>>
>>>> I'm trying to use the function t_uac_send inside a failure_route as
>>>> described in https://kamailio.org/docs/modules/5.3.x/modules/tm.html#tm.f.t_uac_send
>>>> to send a CANCEL out.
>>>>
>>>> Although the documentation says "it can include From/To tags" i was
>>>> not able to get the from tag provided to be used. Another random
>>>> generated one is used.
>>>>
>>>> I've tried the following format without success:
>>>> t_uac_send("CANCEL", "$ru", "", "", "From: <$fu>;tag=$ft\r\nTo:
>>>> $tu\r\nCall-ID: $ci\r\n", "")
>>>> t_uac_send("CANCEL", "$ru", "", "", "From: $fu;tag=$ft\r\nTo:
>>>> $tu\r\nCall-ID: $ci\r\n", "")
>>>> t_uac_send("CANCEL", "$ru", "", "", "From:
>>>> bob at kamailio.org;tag=2w3e\r\nTo: $tu\r\nCall-ID: $ci\r\n", "")
>>>>
>>>> In the last one which is copied from the documentation that is how the
>>>> From header going out looks like:
>>>> From: <bob at kamailio.org;tag=2w3e>;tag=3393f0703fb0ccaca74109ff37de39f5-36d71ef0
>>>>
>>>> Any tips on how to get the From tag passed to the function to be used?
>>>>
>>>> Thanks,
>>>> Joao Arruda
>>>>
>>>> _______________________________________________
>>>> Kamailio (SER) - Users Mailing List
>>>> sr-users at lists.kamailio.org
>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>> --
>>> Daniel-Constantin Mierla -- www.asipto.com
>>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>> Funding: https://www.paypal.me/dcmierla
>>>
-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Funding: https://www.paypal.me/dcmierla