[Freeswitch-users] Channel/session variables availability on execute_on_sip_reinvite

[Florent Krieg]

Hi Michael,

The raw sdp is actually available, but the thing is that it doesn't look
like the one I see in the re-invite when I capture on the host.
It looks as if it has already been processed by the SIP stack, depending on
the media configuration of the sip profile and/or the current channel.
Is it possible?

Florent

2016-06-10 19:14 GMT+02:00 Michael Jerris <mike at jerris.com>:

> I don't think we have the sdp parsed and processed at the point we get
> that callback.  Check the variables to see if the raw sdp is available in
> the var yet or not.
>
> > On Jun 10, 2016, at 4:40 AM, Florent Krieg <flokrrr at gmail.com> wrote:
> >
> > Hello everybody,
> >
> > My use case is pretty simple: I would like to react on SIP Re-INVITE
> without sdp (empty body/content-length 0) so I have put an
> execute_on_sip_reinvite instruction in my bridge string.
> >
> > I have tried both to call the 'info' app and to call a custom shell
> system script, passing the ${uuid} var and calling fs_cli uuid_dump $uuid,
> but unfortunately it seems that when the SIP message reaches the
> application it has been processed by the Sofia stack and I can't detect if
> there is an SDP or not (using sdp variables, or any other actually).
> > Sometimes it gives me 0.0.0.0 as the remote_media_ip, sometimes it just
> builds an SDP based on the previous one.
> > I have also tried to modify the re-INVITE by adding custom headers or
> putting information in any
> > mandatory SIP header (like, say, Via), but these updates doesn't seem to
> be available via any channel variable.
> >
> > Is there any FS configuration parameter I could change to be able to
> access this information?
> > Is there any other way I could do what I want?
> >
> >
> > Thanks in advance if you have any clue :)
> >
> > Florent
>
>
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