<div dir="ltr">There's quite a lot of trace to go through there, but this screams that you're looping to me.. I suggest you look at the routing on the OTHER boxes, see if you can spot something that might be doing that.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, May 31, 2016 at 11:07 AM, Saioa Perurena <span dir="ltr"><<a href="mailto:saioa.perurena@enigmedia.es" target="_blank">saioa.perurena@enigmedia.es</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
<br>
We have only one proxy Opensips (version 1.11) that does all the work<br>
(register's, invite's, tls conection...) on a DMZ behind a firewall.<br>
<br>
We want to move that to a new schema, with one Opensips (version 2.1)<br>
as a frontend that handles the tls connections (with a public ip) on<br>
the DMZ, and another Opensips (version 1.11) at the backend (with<br>
private ip), but we are not able to complete the invite signaling<br>
correctly. Register, message, options worked ok, but we have problems<br>
with the invite.<br>
The invite request arrives to the callee, and the OK answers arrives<br>
to the caller, but the caller does not send and ACK to this OK, so the<br>
callee keeps sending OK until it send a BYE because of timeout.<br>
<br>
Any idea of where is the problem or what am i doing wrong?? Any advice<br>
will be appreciated!!<br>
<br>
I attach the sip_trace log and the Opensips script of the frontend server:<br>
<br>
Caller: <a href="mailto:sip%3Au1iupzg6we@jipubnx2ef.bell.enigmedia.eu">sip:u1iupzg6we@jipubnx2ef.bell.enigmedia.eu</a><br>
Callee: <a href="mailto:d27p6ui7q7@jipubnx2ef.bell.enigmedia.eu">d27p6ui7q7@jipubnx2ef.bell.enigmedia.eu</a><br>
Opensips frontend ip: internal -> 192.168.3.35, external -> 192.168.1.18<br>
Opensips backend ip: internal -> 192.168.2.6<br>
<br>
<br>
<br>
<br>
<br>
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<br></blockquote></div><br></div>