Thanks & Regards,
Nataraju A.B.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Brett
Tate
Sent: Thursday, February 26, 2004 5:04 AM
To: [EMAIL PROTECTED]
Subject: RE: [Sip-implementors] doubt in CANCEL/BYE operation
> > But definitely A can't initiate BYE before
> > a final response for INVITE been received.
>
> Actually it can. During simultaneous ringing
> situations, the originator can send
> a BYE to release individual early dialogs
> while allowing the other early dialogs to
> continue.
> [ABN] Why do you really need to have deviation
> for this particular scenario? You can use
> CANCEL instead of BYE to cancel the early dialog.
You can't use a CANCEL to release early-dialog-1
while allowing early-dialog-2 for the associated
INVITE to still continue. The CANCEL would trigger
the release of both of the early dialogs. The BYE
for early-dialog-1 releases early-dialog-1 without
releasing early-dialog-2.
[ABN] You can send CANCEL to release the early-dialog-1. Because CANCEL
does not mean that release the session. It only means that release the
early dialog as BYE do for the completed dialog. CANCEL/BYE releases the
session only in case dialog (early or completed) to be released in the
only dialog remaining in the session
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