[OpenSIPS-Users] Opensips as proxy, config problem on INVITES

[Benjamin Cropley]

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.

On Tue, May 31, 2016 at 11:07 AM, Saioa Perurena <
saioa.perurena at enigmedia.es> wrote:

> Hi,
>
> We have only one proxy Opensips (version 1.11) that does all the work
> (register's, invite's, tls conection...) on a DMZ behind a firewall.
>
> We want to move that to a new schema, with one Opensips (version 2.1)
> as a frontend that handles the tls connections (with a public ip) on
> the DMZ, and another Opensips (version 1.11) at the backend (with
> private ip), but we are not able to complete the invite signaling
> correctly. Register, message, options worked ok, but we have problems
> with the invite.
> The invite request arrives to the callee, and the OK answers arrives
> to the caller, but the caller does not send and ACK to this OK, so the
> callee keeps sending OK until it send a BYE because of timeout.
>
> Any idea of where is the problem or what am i doing wrong?? Any advice
> will be appreciated!!
>
> I attach the sip_trace log and the Opensips script of the frontend server:
>
> Caller: sip:u1iupzg6we at jipubnx2ef.bell.enigmedia.eu
> Callee: d27p6ui7q7 at jipubnx2ef.bell.enigmedia.eu
> Opensips frontend ip: internal -> 192.168.3.35, external -> 192.168.1.18
> Opensips backend ip: internal -> 192.168.2.6
>
>
>
>
>
>
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>
>
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