[OpenSIPS-Users] ignoring IP Connection Information

Jorge Luis Ortea darham at hotmail.com
Mon Feb 23 17:53:18 CET 2015

One question, by default, any INVITE request managed by OpenSIPS, it sends RTP flow to IP source signaling or IP (c=) in SDP ¿?
In this case OpenSIPS public interface is in the same network than SBC, no nat and OpenSIPS has not nat_traversal implemented.
When a INVITE is received from SBC with IP: and with 'c=IN IP4' in SDP. Why is OpenSIPS sending RTP flow to ? 

Very Thanks, Regards.

From: darham at hotmail.com
To: users at lists.opensips.org
Date: Mon, 23 Feb 2015 10:38:25 +0100
Subject: [OpenSIPS-Users] ignoring IP Connection Information

Hi all,

I am using OpenSIPS 1.8.2 + RTPProxy on bridge mode, I force a destination and a socket between 2 points:

            (public net)                                            (private net)
[SBC] ------------------->  [OpenSIPS+RTPProxy] -------------------> [PBX]

The signaling manage is right, but I have a problem with RTP flows. When SBC sends a INVITE, it has a IP Connection Information different from IP signaling however when the dialog begins [OpenSIPS+RTPProxy] sends RTP flow to IP signaling from SBC, ignoring IP Connection Information.

Must I do something to force RTP flow?  What can i do to solved it? 

Very Thanks, Regards.


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