----- Original Message -----
From: "Dale R. Worley" <[EMAIL PROTECTED]>
To: "Sip-Implementors" <[email protected]>
Sent: Friday, November 11, 2005 7:35 PM
Subject: Re: [Sip-implementors] contact header in NOTIFY
On Thu, 2005-11-10 at 12:15 +0530, Joseph C T - NPD, Chennai wrote:
From the RFC 3265 im clear that contact header is mandatory in NOTIFY.
Does it also hold good for NOTIFY that has been sent for REFER, because I
see some implementations of NOTIFY for REFER without any contact header.
I can't see any reason for treating NOTIFY from REFER differently from
any other NOTIFY. E.g., NOTIFY from REFER is within the same dialog as
the REFER, just as NOTIFY from SUBSCRIBE is within the dialog
established by the SUBSCRIBE.
I agree here
And it's clear that all in-dialog
requests should have the proper Contact value for their end of the
dialog.
Strictly speaking: only in target-refresh or dialog-creating requests or
registrations. Contact is not allowed in BYE or CANCEL, but mandatory in
SUBSCRIBE and NOTIFY and several others
Dale
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