[SR-Users] Add Reason Header to kamailio generated CANCEL

Tue Nov 17 19:20:07 CET 2020

And on internally generated CANCELs

On Tue, 17 Nov 2020 at 14:20, Denys Pozniak <denys.pozniak at gmail.com> wrote:

> Hello!
>
> We need to append our own Reason header for the "relayed" CANCEL message,
> if it is not on the input.
> Like below:
>
>
> *if ( is_method("CANCEL") && !is_present_hf("Reason") ) {*
> *  append_hf("Reason: ....);*
> *  t_relay();*
> *...*
>
>
>
>
> вт, 17 нояб. 2020 г. в 13:00, Daniel-Constantin Mierla <miconda at gmail.com
> >:
>
>> Hello,
>>
>> what is exactly the problem? The header is not added if you enable:
>>
>>   *
>> http://kamailio.org/docs/modules/stable/modules/tm.html#local_cancel_reason
>>
>> Cheers,
>> Daniel
>> On 16.11.20 20:43, Denys Pozniak wrote:
>>
>> Hello guys,
>>
>> We have faced almost the same problem adding *Reason:
>> SIP;cause=200;text="Call completed elsewhere"* to the t_relayed CANCEL
>> request.
>> Is there an elegant solution to add this header?
>>
>> PS. Switching to the stateless mode does not look pretty for us...
>>
>>
>> сб, 1 февр. 2020 г. в 06:04, Alfonso Pinto <alfonso.pinto at gmail.com>:
>>
>>> Hi guys,
>>>
>>> Thanks for your answers.
>>> I did try local_cancel_reason and it’s not doing anything for the
>>> CANCELs generated by kamailio. Isn’t that parameter intended for the
>>> CANCELs received and then relayed?
>>>
>>> As Alex and David mentioned, what I need is to add my own reason header.
>>> There are some cases that requires to set the Reason header to something
>>> specific. IE: terminal supported call waiting in IMS.
>>>
>>> Thanks for the piece of code, I will check what can be done here.
>>>
>>> Regards,
>>> Alfonso
>>>
>>> El El vie, 31 ene 2020 a las 22:10, Henning Westerholt <hw at skalatan.de>
>>> escribió:
>>>
>>>> Hi Alex,
>>>>
>>>> ok, I was reading that he wants to get just one reason header, not one
>>>> dynamic generated.
>>>>
>>>> Just looked briefly, this seems to be the code:
>>>>
>>>> t_msgbuilder.c
>>>> /* Build a local request based on a previous request; main
>>>>  * customers of this function are local ACK and local CANCEL
>>>>  */
>>>> char *build_local(struct cell *Trans,unsigned int branch,
>>>>         unsigned int *len, char *method, int method_len, str *to
>>>>         , struct cancel_reason* reason
>>>>         )
>>>>
>>>> Cheers,
>>>>
>>>> Henning
>>>>
>>>> --
>>>> Henning Westerholt – https://skalatan.de/blog/
>>>> Kamailio services – https://gilawa.com
>>>>
>>>> -----Original Message-----
>>>> From: sr-users <sr-users-bounces at lists.kamailio.org> On Behalf Of Alex
>>>> Balashov
>>>> Sent: Friday, January 31, 2020 9:45 PM
>>>> To: sr-users at lists.kamailio.org
>>>> Subject: Re: [SR-Users] Add Reason Header to kamailio generated CANCEL
>>>>
>>>> I understood Alfonso's question to implicitly be: how can I add a
>>>> dynamic and variable Reason header to outgoing CANCELs?
>>>>
>>>> Perhaps I was mistaken. But if I'm not, as far as I know there is no
>>>> means of doing that. Right?
>>>>
>>>> On Fri, Jan 31, 2020 at 08:37:48PM +0000, Henning Westerholt wrote:
>>>>
>>>> > Hello,
>>>> >
>>>> > have you tried to use this parameter:
>>>> >
>>>> >
>>>> http://kamailio.org/docs/modules/stable/modules/tm.html#local_cancel_r
>>>> > eason
>>>> >
>>>> > Cheers,
>>>> >
>>>> > Henning
>>>> >
>>>> > --
>>>> > Henning Westerholt – https://skalatan.de/blog/ Kamailio services –
>>>> > https://gilawa.com<https://gilawa.com/>
>>>> >
>>>> > From: sr-users <sr-users-bounces at lists.kamailio.org> On Behalf Of
>>>> > Alfonso Pinto
>>>> > Sent: Wednesday, January 29, 2020 8:04 PM
>>>> > To: Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>
>>>> > Subject: [SR-Users] Add Reason Header to kamailio generated CANCEL
>>>> >
>>>> > Hi everyone,
>>>> >
>>>> > I've got a specific case: when the inv_fr times out, I need to add a
>>>> Reason header to the CANCEL generated by kamailio. I've tried to see if I
>>>> could do it in the onsend_route, but that one is not triggered for the
>>>> generated CANCEL. I also checked event_route[tm:local-request], but that
>>>> one isn't triggered either for the generated CANCEL.
>>>> >
>>>> > Is there any way to do it? Or maybe to have any pointer about where
>>>> to look in the code so I may try to trigger event_route[tm:local-request]
>>>> for these generated CANCELs?
>>>> >
>>>> > Regards,
>>>> > Alfonso
>>>>
>>>> > _______________________________________________
>>>> > Kamailio (SER) - Users Mailing List
>>>> > sr-users at lists.kamailio.org
>>>> > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>>
>>>> --
>>>> Alex Balashov | Principal | Evariste Systems LLC
>>>>
>>>> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
>>>> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>>>>
>>>> _______________________________________________
>>>> 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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>>> sr-users at lists.kamailio.org
>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>
>>
>> --
>>
>> BR,
>> Denys Pozniak
>>
>>
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>> --
>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Funding: https://www.paypal.me/dcmierla
>>
>>
>
> --
>
> BR,
> Denys Pozniak
>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
-- 
Regards,

David Villasmil
email: david.villasmil.work at gmail.com
phone: +34669448337
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