[Serusers] loose_route

[Dovid]

What if someone were to send an INVITE to your proxy with a header: Route:
<sip:phone-number at pstn-gateway>? Would the proxy forward it, and the gateway
then set up the call?
Normally the request is directed to the proxy. The proxy then authenticates
before forwarding to the PSTN gateway. In the above example, there was a
Route header. In which case doesn't it mean
        if (loose_route()) { #Route header exists.
                t_relay(); #Forward now. Don't authenticate.
                break;
        };
Is my understanding of loose_route() wrong?

Thanks.


Dovid


-----Original Message-----
From: Juha Heinanen [mailto:jh at tutpro.com]
Sent: Tuesday, September 30, 2003 2:06 AM
To: Dovid
Cc: Serusers
Subject: RE: [Serusers] loose_route


Dovid writes:

 > My understanding is that loose_route() checks for a Route header field.
The
 > standard cfg entry will then relay the SIP request.
 > Let's take the following scenario. I have a PSTN gateway which listens on
 > port 5060 and accepts to that port only from my SIP proxy. Normally the
 > proxy takes care of authentication and authorization and if approved,
 > forwards to the gateway. What if someone were to send an INVITE to my
proxy
 > with a header: Route: <sip:phone-number at pstn-gateway>? Would the proxy
 > forward it, and the gateway then set up the call?

i call loose_route() in the beginning of ser.cfg before the user is
authenticated and approved for pstn access.

-- juha