[OpenSER-Users] help with outbound proxy

[Iñaki Baz Castillo]

El Friday 14 September 2007 14:18:46 Dawid Jarosławski escribió:
> > El Thursday 13 September 2007 18:19:41 Dawid Jarosławski escribió:
> >> Hello,
> >>
> >> I'm trying to make outbound proxy for my network using OpenSER.
> >> Currently I've configured OpenSER as sip registrar/rtpproxy and it works
> >> fine even with NAT traversal. The problem is that I don't how shuould I
> >> reconfigure my config to make it work as outbound proxy. I've tried many
> >> changes with no results. The first problem is how to correctly handle
> >> the register method. My config is based on:
> >> http://siprouter.onsip.org/doc/gettingstarted/ch08s02.html
> >>
> >> Can anyone help me?
> >
> > Don't know exactly your problems, but for an Outbound proxy just deny
> > REGISTER if the URI is not local (or maybe not in your case), and ask
> > ALWAYS for authentication for INVITE, MESSAGE and other messages if the
> > URI is not local, so just your local uses can use the proxy as outbound
> > proxy (if not it would be an open-relay).
> >
> > About the REGISTER, I just can't imagine a case when a REGISTER goes via
> > outbound proxy. ¿?
>
> I think that I've made mistake naming my scenario as OB proxy. Here's
> how it looks like:
> UA (private IP) <-> NAT (public IP-1) <--> (public IP-2) SIP/RTP proxy
> (public IP-2) <--> (public IP-3) SIP Reg / Gateway
> The other scenario is to set my proxy behind NAT with UA and then it
> would look like:
> UA (private IP) <-> (private IP) SIP/RTP proxy (public IP-1) <-->
> (public IP-2) SIP Reg / Gateway
>
> UA's  are configured to register at third party SIP Reg (VoIP service
> provider) and they are also configured to use my proxy as OB proxy. What
> I wan't to achieve is to close SIP / RTP traffic (using my proxy) if it
> is local and relay it to third party gateway if it is external.


Let me understand the problem. So the UAC's are registered in the external 
provider and in the internal proxy? maybe handling this is the problem you 
have?


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