[OpenSIPS-Users] B2B Not routing 200 OK for BYE

Bogdan-Andrei Iancu bogdan at opensips.org
Wed Nov 23 19:13:10 CET 2011


Hi Ryan,

My first guess is that it is something wrong with the 200 OK you receive 
for the BYE - could you post somewhere the trace (or send it offline to 
me) ?

Regards,
Bogdan

On 11/23/2011 07:52 PM, Ryan Bullock wrote:
> I am use the B2B modules with the topology hiding scenario and
> periodically see the following error in my opensips log:
>
> ERROR:b2b_entities:b2b_tm_cback: No dialog found reply 200 for method BYE
>
> I did a capture to find out what was happening and it appears that
> after receiving a BYE opensips will correctly forward the BYE but not
> the subsequent 200 OK to the BYE (and I get the error message above).
>
> This causes the side that sent the BYE to retransmit and I can then
> see these retransmits in the main opensips route. Currently I have the
> main route sending a 200 OK for any BYE with a totag to catch these
> retransmits.
>
> I have also seen a few occurrence where if a 200 OK for an INVITE
> happens right before a BYE from the other side that the ACK for the
> 200 OK will also not be correctly routed using the B2B.
>
> It seems like the B2B is tearing down the session a bit to quickly, is
> there any way to adjust how long a B2B session will linger?
>
> Regards,
>
> Ryan
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>


-- 
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
OpenSIPS solutions and "know-how"




More information about the Users mailing list