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RE: [Sip] Support for Multipart/MIME

Ted Hardie <hardie@qualcomm.com> Wed, 09 May 2007 21:25 UTC

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Date: Wed, 09 May 2007 14:25:35 -0700
To: Dan Wing <dwing@cisco.com>, 'Dean Willis' <dean.willis@softarmor.com>
From: Ted Hardie <hardie@qualcomm.com>
Subject: RE: [Sip] Support for Multipart/MIME
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Cc: sip@ietf.org, "'James M. Polk'" <jmpolk@cisco.com>, "'Christer Holmberg (JO/LMF)'" <christer.holmberg@ericsson.com>
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At 2:09 PM -0700 5/9/07, Dan Wing wrote:
>
>However, if you're sending SDP and SDPng, multipart/mixed does not
>make sense.  If you're sending SDP and SDPng, you want the answerer
>to pick one.  For the next decade, anyone that understands SDPng
>will also need to continue to understand SDP.  And we don't want the
>receiver to creatively use both the SDP offer and the SDPng offer.
>
>Email is similar:  if you configure Thunderbird or Outlook to send
>messages with text/plain and text/html they are put inside
>multipart/related, not multipart/mixed.

I totally agree.  It seems like multipart/mixed, multipart/alternative,
and possibly multipart/related will be needed for different uses.
		regards,
				Ted


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