[SIPForum-discussion] Fwd: Behaviour of B2BUA for BYE

[Gonzalo Gasca]

HI Vijay,
Thanks for responding,
Your answer makes sense in a P2P simple call flow.

Was thinking in an scenario, where you have UA1 ‹ B2BUA --- UA2 with Follow
me or Mobile agents feature implemented
If UA1 hangs up, but B2BUA implements logic of call park/follow me, etc,
where UA2 can be redirected to a cell phone or a remote agent (Mobile Agent)
and a third UA3 comes into play, we can treat UA1 just as an independent
transaction.

Thanks


--
Gonzalo Gasca


From: vijay pal <vijaypal85 at gmail.com>
Date: Sat, 9 Apr 2011 20:47:19 +0530
To: <discussion at sipforum.org>
Subject: [SIPForum-discussion] Fwd:  Behaviour of B2BUA for BYE

Hello Ganzalo,
 
As per my openion, B2BUA will send SIP/2.0 200 OK to UA1 once it receive
SIP/2.0 200 OK from UA2.
 
Yes, this associated to UA2 at some point.
Yes, B2BUA ack BYE to UA1 as soon as its able to process it but after
receiving SIP/2.0 200 OK from UA2.
 
Please let me know if think some thing different.
 
 
Regards
Vijay Pal

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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