[Sip] Contradictory Semantics header againest Join header in SIP

"suryakanta mandal" <suryakanta.mandal@gmail.com> Mon, 28 January 2008 21:11 UTC

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Date: Thu, 24 Jan 2008 11:16:54 +0530
From: suryakanta mandal <suryakanta.mandal@gmail.com>
To: sip@ietf.org, Sip-implementors@lists.cs.columbia.edu
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Subject: [Sip] Contradictory Semantics header againest Join header in SIP
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Hi,
I have a query about the contradictory semantics header againest Join
header. In RFC 3911 it's saying the following

"The Join header has specific call control semantics.  If both a Join
  header field and another header field with contradictory semantics
  (for example a Replaces [8] header field) are present in a request,
  the request MUST be rejected with a 400 "Bad Request" response.
"
here it specifies that Replace is the one Contradictory header for
join but I seek to know that who else header has the contradictory
semantics againest Join header for an INVITE



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