Just one comment in addition to what Gonzalo said:
Gonzalo Camarillo wrote:
The use case described for multipart/alternative - new SDP mechanisms
- seems kind of bogus. We've decided not to pursue that. Do we have a
REAL use case for this?
AFAICT, we have decided not to pursue SDPng but we still need a
mechanism in order to be able to, at some point, migrate to new session
description formats. The current consensus, as I understand it, is that
multipart/alternative should not be used to provide alternative SDP
descriptions, but that it could be used to provide alternative session
descriptions written in different formats.
The other classic example, because it is just like email, is MESSAGE
with a multipart/alternative containing plain text and html.
Paul
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