[SR-Users] Configure Kamailio to generate OPTIONS

[Mititelu Stefan]

Hi Olle,

Thank you for your answer. Having a look at the dialog module documentation
I think I can make use of parameters ka_timer + ka_interval together with
dlg_set_property() function.

Do you know if I can manipulate the generated OPTIONS in any way? (like
append_hf() ) Not able to test this at the moment but I assume it should
work.

Cheers,
Stefan
On Dec 28, 2015 11:07 AM, "Olle E. Johansson" <oej at edvina.net> wrote:

>
> On 28 Dec 2015, at 09:51, Mititelu Stefan <fanx07 at gmail.com> wrote:
>
> Hello,
>
> What is the simplest way to configure Kamailio to generate periodical
> OPTIONS to the caller, for an established dialog?
>
> Can you give me some starting references?
>
> To be SIP correct, a proxy may not insert any transactions in a dialog
> between two endpoints. The endpoints have the cseq counter and inserting
> anything will mess with the CSEQ.
>
> Having said that, the dialog module has a keep-alive function that does
> this. It may generate strange error messages which is fine. You want to
> test the behaviour on a per-device basis.
>
> Cheers,
> /O
>
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