On May 9, 2007, at 3:22 PM, Ted Hardie wrote:
At 2:40 PM -0500 5/9/07, James M. Polk wrote:
It's possible/probable/obvious (depending on who you talk to) that
multipart will have to be supported for emergency calling, in
which there is an SDP body and a Location message body...
This doesn't mean UAs that *don't* establish voice/video dialogs
will have to support multipart, just for those UAs that do
establish voice/video dialogs with emergency response centers
(again, depending on who you talk to).
That won't be multipart/alternative, though, as the location body
and the SDP body
won't be alternatives but independent items. I think they would be
multipart/mixed. See this from RFC 2046:
Right. Mixed is a far cleaner semantic problem than alternative. It
means "Use all of these that you understand, to the best of your
ability, and complain if there's nothing you understand."
--
Dean
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