[OpenSIPS-Users] Restrict Simultaneous-Use

[Iñaki Baz Castillo]

El Jueves, 5 de Marzo de 2009, Brett Nemeroff escribió:
> I'm a little confused here. I haven't used SST before so I'm sure I'm
> missing some background here.. But if I enable SST module, and set an
> expires at say, 120 seconds, don't I get an invite refresh roughly every
> 120 seconds? then if I don't I send a BYE out both ways.
>
> What part of that may be unsupported. Part I'd be worried about is if I
> tell the UAC "Session-expires: 120" and it simply doesn't care, doesn't
> send the refresh and then BYEs get sent out and the dialog is torn down..

Hi, I recommend you reading the RFC 4028 (Session Timers):
  http://tools.ietf.org/html/rfc4028

It explains clearly the limited role of a proxy when handling with 
SessionTimers.

As I already said before, SST only works if caller and/or callee supports it 
(and uses it).

-- 
Iñaki Baz Castillo