Hi Matthew;
If I understand correctly, the SIP signaling work fine for you and the
problem is only with the media. IF so, be sure you configured rtpproxy
for bridging mode (to use both interfaces you have on the server). Even
more when invoking rtpptoxy from the opensips script, you need to
instruct rtpproxy which interface to use for the A party and B party -
see the 'i' and 'e' flags for rtpproxy_engage() -
https://opensips.org/html/docs/modules/2.4.x/rtpproxy.html#func_rtpproxy_engage
And you do not need b2b here.
Best regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
OpenSIPS Summit, Amsterdam, May 2020
https://www.opensips.org/events/Summit-2020Amsterdam/
OpenSIPS Bootcamp, Miami, March 2020
https://opensips.org/training/OpenSIPS_Bootcamp_2020/
On 1/8/20 3:18 AM, Matthew Schumacher wrote:
Hello all,
I'm trying to setup an SBC of sorts so that I can have users
authenticate to opensips using a public interface, then have opensips
relay and rtpproxy that request to a private sip host.
Something like this:
public sip client ---(proxy authetication)--> aa.aa.aa.aa bb.bb.bb.bb
----(sip trunk auth by ip) ---> cc.cc.cc.cc (inside sip gateway)
Where aa.aa.aa.aa and bb.bb.bb.bb live on the same host.
I used osipsconfig with use_auth, use_dbacc, use_dbusrloc, use_dialog,
use_multidomain, use_dialplan, have_inbound_pstn, have_outbound_pstn
I then took the config it created and added rtpproxy module and config
as well as force_send_socket() because when it sent sip to cc.cc.cc.c
it was sourcing from aa.aa.aa.aa instead of bb.bb.bb.bb.
It almost works, and actually works with one way audio from
cc.cc.cc.cc through the proxy to the client, but opensips tells the
client that the audio is at cc.cc.cc.cc which doesn't route.
What's the best way to do multi homing? opensips seems fairly
straight forward with a single IP address, but things got complicated
fast when I added a second IP.
I would just use b2b_init_request("top hiding"); but I get lots of
loops when I do that.
Thanks,
Matt
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