Thanks for the response. What I am trying to do is to have the first
proxy route the request to the second proxy server that will actually
process the request. In this case I have another opensips server that I
want to just handle register requests. This proxy server would then send
the replies back to the client and not the first proxy server. Is this
the idea way of performing this functionality? I was trying to separate
some functions to separate sip servers ( a sip server for registrations,
another sip server for pstn gateway, etc) but have a central point of entry.
Thanks
Nathaniel
On 3/14/13 11:55 AM, Bogdan-Andrei Iancu wrote:
Hi Nathaniel,
According to SIP RFC, replies are following the same path as requests
(in revert order, of course) - this back routing is done based on VIA
hdr (added in requests, consumed from replies).
if you want to avoid opensips to add the VIA hdr (so, to be skipped by
replies), use the send() function for relaying the requests - be
careful this is a stateless function, so no failure_route !
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 03/14/2013 09:30 AM, Nathaniel L Keeling III wrote:
Hello,
I would like to know if this routing is possible and if so how. I
have a scenario where I have a opensips proxy that I want to use just
to send requests to other opensips proxy witch would then process the
request. Here is the scenario: client --> p1 --> p2 --> client -->
p2. I have been able to route to proxy 2 but the replies are still
being routed back via proxy 1 then to the client. I was hoping to
send the replies directly to the client and not back thru the first
proxy. Is this possible? I am currently using the dispatcher module
to send the requests to the second proxy. I also noticed that the SIP
packets have a VIA header of the first proxies IP address when it
reaches the second proxy. I thought the record_route was causing
this, so I moved it after I send the request to the second proxy.
Here is a small snipet of my code:
if (is_method("REGISTER")) {
if (!ds_select_dst("2", "3")) {
sl_send_reply("503", "Rawr!!");
};
t_relay();
}
Thanks
Nathaniel
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