Comments inline...

Thanks & Regards,
Nataraju A.B.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Atul
kumar Jha
Sent: Wednesday, May 17, 2006 11:09 AM
To: [email protected]
Subject: [Sip-implementors] Handling of Reliable Provisional response at
theTRansaction Stateful Proxy

Hi,

 

Can a Proxy send the Reliable Provisional response on its own after
receiving INVITE (with 100 Rel) from UA?

[ABN] this should not be done... 

This reliability for provisional responses was introduced to make sure
that the provisional responses are sent/received reliably over
unreliable networks between end users. This does not have much
significance for proxies since they would NOT generate any provisional
responses other than "100 trying". 
The gateways and B2BUA's might need to generate the responses with
100rel tag.

Regards,

Atul

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