Hi Igor,
As such the standard doesn't speak about this. But I think to make
the system interoperable its better to include the headers in re-INV sent by
non-refreshers too. Also, since your softphone also aware of session timer
extension and has all the information, so its recommended to add the
information in the re-INV.
Regards,
Manju
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-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Igor Vanin
Sent: Friday, November 24, 2006 12:10 AM
To: [email protected]
Subject: [Sip-implementors] Session timer: re-INVITE on the passive side
Hello, All
Let's suppose the following call scenario:
My softphone has an active call session with the Session Timer extension
(RFC4028) enabled, and the current refresher of this session is the remote
softphone (so, my softphone is the side not performing refreshes).
Now my softphone wishes to do a re-INVITE (for example, for put the call on
hold).
Should my softphone include header fields Session-Expires and Min-SE into
this re-INVITE request?
The answer for the side performing refreshes is obvious according the
paragraph "7.4. Generating Subsequent Session Refresh Requests". But I am
not sure about correct behavior for the side not performing refreshes if it
wishes to do a re-INVITE.
--
With best regards, Igor Vanin, St. Petersburg, Russia mailto:[EMAIL PROTECTED]
http://gpmail.spb.ru
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