Hi
Termination of Call (by sending BYE) will violate the RECOMMENDED behavior as mentioned in the Draft.
even an example is given for same, (Please find the details below in mail)
Are such violation accepted?
Regards,
Ravi
| Ranjit Avasarala <[EMAIL PROTECTED]>
09/10/03 04:21 PM
|
|
Hi
Here after retransmitting INVITE for 7 times, u have to terminate the call.So u send BYE after 7th retransmission
Ranjit
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Wednesday, September 10, 2003 4:09 PM
To: [EMAIL PROTECTED]
Subject: [Sip-implementors] A Query about session-timer
Hi,
As specified in the draft "draft-ietf-sip-session-timer-11.txt"
"If no 2xx response to a session refresh request is received before
the session expiration, the UA SHOULD send a BYE request to
terminate the session. It SHOULD send this BYE slightly before
session expiration. The minimum of ten seconds and one third the
session interval is RECOMMENDED.
For example, if the session interval is 120 seconds, one third
of this is 40 seconds. Since the minimum of 10 seconds and 40
seconds is 10 seconds, the BYE would be sent 10 seconds before
the session expires."
Let us assume the session interval is 1800 seconds,
So I should send re-INVITE after 900 seconds from call establishment,
If I don't get any response for the re-INVITE sent then I should send the
BYE after 1790 seconds from call establishment.
But in the time from 900-1790, what should I do
Should I retransmit the re-INVITE repeatedly for the interval 900-1790?
If yes - then number of re-INVITE will be more than 7 and it violate the condition of any txn.
If no - then what is my behavior, can I send BYE after sending 7 retransmission of re-INVITE .
Regards,
Ravi Jindal
HUGHES SOFTWARE SYSTEMS
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