Comments inline...
Thanks & Regards,
Nataraju A.B.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Andy
Pandaram
Sent: Friday, December 09, 2005 2:51 PM
To: [email protected]
Subject: [Sip-implementors] How long to wait for 487?
Hi,
In the following case how long should the UAC wait for a 487 to be
received?
. UAC sends INVITE
. UAC receives 180 Ringing
. Aftering ringing for 45 seconds user hangs up
. UAC sends CANCEL
Now, a 2543 compliant UAS will not generate a 487. How long should an
UAC wait in this case before clearing the call reated data?
[ABN] if there is no protection timer exists, the CANCEL transaction
would run for duration= Timer_F and then it would consider the call is
released... before this Timer_F fires it might as well retry that CANCEL
@ the interval Timer_E.
[ABN] you can refer sec 17.1.2.1 for more details about non-INVITE
transaction in RFC-3261....
Thanks
Andy
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