[OpenSER-Users] [OT] Do ITSP SIP_PSTN gateways allow REFER?

[Iñaki Baz Castillo]

El Thursday 15 November 2007 12:44:31 Klaus Darilion escribió:
> Iñaki Baz Castillo schrieb:
> > Hi, I will connect my OpenSer with a Nortel (SIP to PSTN gateway) for
> > incoming/outgoings call to/from PSTN.
> >
> > I have a doubt: if an OpenSer user (200 at mydomain.org) receives an
> > incoming call from gateway, could he REFER the call to 201 at mydomain.org?
> >
> > This is: do ITSP gateways allow REFER to SIP users subcribers to my
> > OpenSer? I understand they could not accept REFER's to PSTN number
> > because accounting issues (gateway UAC receving a REFER and calling to
> > PSTN?).
>
> Usually it depends on the configuration of the gateway. Thus, I would
> add some screening of REFER and 3xx to the proxy.

Sorry Klaus, I don't understnad what you mean with "screening of REFER and 3XX 
to the proxy", could you explain it please?

Thanks a lot.


-- 
Iñaki Baz Castillo
ibc at in.ilimit.es