[Serusers] Re: How Do I Enable Session Timers On PSTN->SIP Calls?

Java Rockx javarockx at gmail.com
Thu Mar 24 03:18:12 CET 2005


Nevermind all - I found the answer (thanks Jan) in the archives.

http://lists.iptel.org/pipermail/serusers/2005-March/016484.html

Regards,
Paul


On Wed, 23 Mar 2005 21:01:04 -0500, Java Rockx <javarockx at gmail.com> wrote:
> Hi All.
> 
> Our PSTN gateway supports Session-Expires for re-INVITEs. The session
> timer is "automagically" enabled when dialing SIP->PSTN.
> 
> However, when calling PSTN->SIP re-INVITEs do not happen, however the
> PSTN GW does support them.
> 
> I think the problem is that PSTN->SIP calls need to (for some reason)
> explicitly request session timers.
> 
> How would I request this? I know I can add the "Session-Expires:
> 120;refresher=??" header, but do I then do this in the 200OK response
> back to the PSTN GW?
> 
> Also, if the PSTN->SIP call is asking the PSTN GW to enable session
> timers, would the "refresher=" tag be set to UAS or UAC?
> 
> Regards,
> Paul
>




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