[OpenSIPS-Users] B2B not relaying 180 in prepaid scenario

[Bogdan-Andrei Iancu]

Hi Andreas,

Yes, in bridging mode (when one of the party was already connected to a 
previous entity), the provisional replies are not sent anymore (during 
the re-INVITE) as make no sense (for the already connected party).

In your case, once the A side was connected (via 200 OK) to the media 
server, an incoming 180 on the re-INVITE (while bridging to the B side) 
will not induce a ringing tone at all.

Regards,

Bogdan-Andrei Iancu
   OpenSIPS Founder and Developer
   http://www.opensips-solutions.com

OpenSIPS Bootcamp 2017, Houston, US
   http://opensips.org/training/OpenSIPS_Bootcamp_2017.html

On 07/04/2017 02:07 PM, Andreas Bøckmann wrote:
> Hello
>
> I am playing around with B2B and running OpenSIPS proxy and B2B on the 
> same VM.
> I am triggering prepaid scenario on initial INVITEs for authenticated 
> clients.
>
> https://www.opensips.org/Documentation/Tutorials-B2BUA#toc13
>
> Now; everything seems to work OK except for the fact that 180 is not 
> relayed and no ringing is ever heard on the A-side after listening to 
> Media and while connecting to B-side.
>
> It seems to somehow be swallowed by B2B. It's passed to B2B which 
> seems to not handle 180 while in bridging scenario?
>
> DBG:tm:local_reply: Passing provisional reply 180 to FIFO application
> ....
> DBG:b2b_logic:b2b_logic_notify_reply: Received a reply [180] while in 
> BRIDGING scenario
>
> Even though A-side is connected (after listening to media) it would 
> make sense to let the A-side play ringing while trying to reach the 
> B-side.
>
> Any ideas of how I can solve this?
>
> The OpenSIPS log for handling 180 can be found here: 
> https://pastebin.com/fPVgLrCG
>
> Thanks a lot for your kind support!
>
> //Andreas
>
>
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