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List:       sip-implementors
Subject:    Re: [Sip-implementors] What a UAC should/must do with a NOTIFY request outside a dialog ?
From:       Iñaki_Baz_Castillo <ibc () aliax ! net>
Date:       2009-06-16 21:49:47
Message-ID: 200906162349.48061.ibc () aliax ! net
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El Martes, 16 de Junio de 2009, Sreenath Kulkarni escribió:
> you can use that but that would become ur propritary implemntation.
> You can use as along as there is no interoparability problem.

I don't agree. There is no SIP request defined for NAT keepalive purpose, not 
at all.

Using OPTIONS, INFO or NOTIFY is a common practice, no more, no document 
justifies their usage to mantain the keepalive.

Also, using any new request method (as PING or HELLO or WAKEUP) is not a 
propietary implementation since the UA's must not understand it. The purpose 
of such undefined method is forcing a "501" from the receiver. It's 100% SIP 
:)

-- 
Iñaki Baz Castillo <ibc@aliax.net>


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