[OpenSIPS-Users] Trouble with Contact header transport

[Daniel Goepp]

I'm sorry...I even put in my message "here is the block of code" and then
forgot to paste it in.  The code looks like this:

        if(proto==TCP and t_check_status("200") and
!$(ct{uri.param,transport}) ) {
                xlog ("Need to add transport to this one");
                #subst("/^Contact\:(.*)/Contact:\1;transport=tcp/");
        };

Basically the problem is if the response 200 is received TCP, but there is
no transport, then add it.

Please let me know if this is enough information.

Thanks.

-dg


On Wed, Aug 18, 2010 at 7:46 AM, Bogdan-Andrei Iancu <bogdan at voice-system.ro
> wrote:

> Hi Daniel,
>
> For sure you an overlapping of changes (multiple changes over the same
> part of the message). What is the scripting you use to add the
> transport=tcp stuff ?
>
> Regards,
> Bogdan
>
> Daniel Goepp wrote:
> > First, let me state that I don't believe this is a problem with
> > OpenSIPS, but rather me just trying to fix a user agent that is not
> > doing the right thing.  The problem is that the 200 OK that we get
> > back from the phone is not putting the transport in explicitly (ugh).
> > So OpenSIPS passes this along time, and we get an ACK back, but the
> > ACK is then not explicit either, and OpenSIPS defaults to sending it
> > UDP (but it should be TCP).  The problem is that if we try to fix this
> > by adding it on the reply, we break things pretty bad.  I believe this
> > is because fix_nated_contact is not playing nice with my manual fix.
> >
> > If my reply just has fix_nated_contact, it's all nice relaying fine with:
> >
> > Contact: "2060" <sip:2060@<my_public_ip>:48278>.
> >
> > However if I add this block of code right after or before fixing nated
> > contact, I get:
> >
> > Contact: "2060" <sip:2060 at 10.0.1.9:5060
> > <http://sip:2060@10.0.1.9:5060>>.;transport=tcpsip:2060@
> <my_public_ip>:39803
> >
> > OUCH, that ain't never gonna work!
> >
> > Thoughts on how I can work around a mis-behavin' phone?
> >
> > Thanks
> >
> > -dg
> > ------------------------------------------------------------------------
> >
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> >
>
>
> --
> Bogdan-Andrei Iancu
> OpenSIPS Bootcamp
> 20 - 24 September 2010, Frankfurt, Germany
> www.voice-system.ro
>
>
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