[XCON] xcon-conf-sidebars 01 comments

[Cullen Jennings <fluffy at cisco.com>]

In many ways, a sidebar is just an media mixing artifact of a conference. If
Alice and Bob are in a conference and decided to have a sidebar, that is
some hints to the mixer about who hears what. If Alice is dialed into the
conference from the PSTN, then uses a web interface to move into a sidebar,
I would find it very odd to see ReInvites or any other signaling going to
the PSTN GW that Alice is using. Are we all in agreement on this so far?

In section 2 it mentions that it does not seem useful to have a separate
dialog for the sidebar. I agree complete with this but in other parts of the
document it seemed to be creating new dialogs for the sidebar.

In a multimedia conference, it is often only some the media streams that are
moved to the sidebar - not the user. So I might have a text or audio sidebar
but still be watching the video of the main conference.

I have been wondering if sidebars were more a MPCP issue that CPCP issue
(other than who had permission to create them).

Cullen



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