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[Sip] RFC 3261 supported header in 1xx responses

"Brett Tate" <brett@broadsoft.com> Wed, 16 November 2005 18:38 UTC

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From: Brett Tate <brett@broadsoft.com>
To: sip-ietf <sip@ietf.org>
Date: Wed, 16 Nov 2005 13:37:59 -0500
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Subject: [Sip] RFC 3261 supported header in 1xx responses
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Within early versions of draft-ietf-sip-rfc2543bis, the Supported header
could be expected within 1xx responses.  However within
draft-ietf-sip-rfc2543bis-06 it was removed and remains so within RFC 3261.
Is there a reason why it is undesirable to indicate supported extensions
within a 1xx?  Or was it just an oversight when changing the "Summary of
header fields" table to indicate 2xx instead of all responses?




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