[OpenSIPS-Users] listing branches, strange behaviour

[Bogdan-Andrei Iancu]

Hi Stan,

first I would check if the 2 SUBSCRIBES you get on the PA are 
retransmissions or branches - check if the top most vias are exactly the 
same (especially the last digit in the via branch param)

Regards,
Bogdan

Stanisław Pitucha wrote:
> Hi,
> I've noticed today some strange behaviour with branches in routing
> SUBSCRIBE packets. I'm running a setup like this:
>
> phone -> proxy (opensips 1.5.3) -> presence server (opensips 1.6.0)
>
> The first packet goes through without any problems, presence server
> returns 200/ok, proxy does record_route().
> The next SUBSCRIBE request is supposed to refresh the watcher entry. It
> is sent only once from phone (no retransmissions), hits the proxy, which
> does some message checks (no modifications). From the stuff that
> "matters", I run loose_route(), t_check_trans(), record_route(),
> t_relay() on it.
> The problem is that I get 2 branches to the presence server at this point.
> I put xlog("branches: $(branch(uri)[*])\n") just before the t_relay(),
> but the value seems to be "<null>". What's going on here? What can I be
> doing wrong?
>
> (first message doesn't create branches and is sent once only)
>
> Thanks,
> Stan
>
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>   


-- 
Bogdan-Andrei Iancu
www.voice-system.ro