[OpenSIPS-Users] B2BUA not passing ACKs

[Anca Vamanu]

Hi Brian,

There is a misunderstanding from your side in what the b2b scenario 
documents are concerned ( please read carefully the documentation - 
http://www.opensips.org/Resources/B2buaTutorial ). The important thing 
is that there should only be rules in the scenario for requests that 
need a special handling. In the prepaid scenario - when the BYE from the 
media server is received the caller must be connected to a human 
operator, so we have a rule for this. All the other requests need only 
simple pass forward - so if an ACK is received from one side it only 
need to be forwarded to the other. 'pass forward' is the implicit action 
and it will be applied to all requests that don't match a rule.

I see that you say that the prepaid scenario does not work for you. What 
version are you testing with?

Regards,

-- 
Anca Vamanu
www.voice-system.ro


opensipslist at encambio.com wrote:
> Hello list,
>
> According to the example:
>
>   http://www.opensips.org/Resources/B2buaTutorial#toc13
>
> ...implementing the prepaid service should handle INVITE, ACK, and
> BYE. Strangely the XML file includes only the BYE scenario:
>
>   <rules>
>       <request>
>           <bye>
>
> I don't know enough about the B2BUA modules to say for sure, but it
> would seem that the online example is missing 'ACK' at least.
>
> When I copy the XML code and config code 1:1, my B2BUA
> implementation of the prepaid service sends the initial INVITE,
> receives the OK, but as the UAC (caller in the diagram) sends the
> ACK the B2B (green line in the diagram) does not pass it onto the
> media server.
>
> Is there a bug in the online XML code for the prepaid scenario?
>
> Regards,
> Brian
>
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