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Conference state
active = mixing media (but not necessarily)
mixing media OR active focus URI ? active, but
might be not mixing media and still be active
focus must be responsive to signaling
we do not determine the precise transition latent ? active
implementation choice
latent = not active, not mixing media
can only change parameters for future instances
can change media mixing, but no effect on media flows
can’t send focus session control messages
PPT Version