[OpenSIPS-Users] set_advertised_address usage

Ben Newlin Ben.Newlin at genesys.com
Thu Jan 17 08:45:10 EST 2019

I don’t believe you can do that in a reply route because all the headers are already in the message. No new headers or addresses are being inserted. You need to use set_advertised_address() on the original request so that the addresses are inserted in the request properly.

Ben Newlin

From: Users <users-bounces at lists.opensips.org> on behalf of Alexey Kazantsev via Users <users at lists.opensips.org>
Reply-To: Alexey Kazantsev <kurgan-rus at inbox.ru>, OpenSIPS users mailling list <users at lists.opensips.org>
Date: Thursday, January 17, 2019 at 6:20 AM
To: "users at lists.opensips.org" <users at lists.opensips.org>
Subject: [OpenSIPS-Users] set_advertised_address usage

Hi list

I'm trying to use set_advertised_address(); function
in onreply_route

but I see that nothing changes.

[VoIP ISP] <--- [NAT box x.x.116.2] <--- [OpenSIPS] <--- [other VoIP server]

This is a sip debug, 180 Ringing, leaving OpenSIPS towards Internet:

I think some addresses should be re-written here, but they are not,
as we see in some headers.

By the way, the next 200 OK with SDP has correct IP address in SDP (as I set it
using rtpengine_answer(... media-address=x.x.116.2). So, I'm sure that I use
set_advertised_address() in the right place. But why it does not change the message?

onreply_route {

    if (has_body("application/sdp")) {
        # rewrite SDP for replies within calls from PBX
        if ($fd=="pbx. ... .ru") {
            rtpengine_answer("RTP/AVP replace-origin replace-session-connection ICE=remove to-tag");
        } else {
            # fix external address and rewrite SDP for replies within calls from VoIP ISP
        rtpengine_answer("RTP/AVP media-address=x.x.116.2 replace-origin replace-session-connection ICE=remove");

BR, Alexey
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