[SIPForum-discussion] Behaviour of B2BUA for BYE

[AMIT ANAND]

Hi Gonzalo,

I believe BYE and  200OK is end to end messages so B2BUA should relay BYE to
other side and should send 200OK after getting from UA2.

Cheers
Amit

On Thu, Apr 7, 2011 at 3:20 AM, Gonzalo Gasca <gogasca at cisco.com> wrote:

> I have this scenario:
>
> UA1 ---callid xyz --> B2BUA —callid abc--> UA2
>
> UA1 starts a succesful call to UA2,
> B2BUA is in charge of call routing
> In this case UA1 is a cisco phone and UA2 is a Cisco SBC
> B2BUA is CUCM
>
> Once UA1 hangs up, it sends a BYE to B2BUA, then B2BUA will disconnect UA2
> as well.
> My question is:
> In which moment should B2BUA should send SIP/2.0 200 OK for this BYE
> message to UA1, is this associated to UA2 at some point? or should be
> independent transactions? Should B2BUA ack BYE to UA1 as soon as its able to
> process it?
>
> Thanks
>
>
> --
> Gonzalo Gasca
>
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-- 
Thanks
Amit Anand
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