Polycom RealPresence Getting Started Manual page 100

Polycom® RealPresence Collaboration Server 800s Getting Started Guide
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To enable or disable the Mute Participants Except the Lecturer option:
The Mute Participants Except Lecturer option is enabled or disabled in the Conference Properties
- Audio Settings dialog box:
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— If the endpoint of the designated lecturer is muted when the lecturer connects to
the conference, the lecturer remains muted until the endpoint has been unmuted.
— When you disconnect a lecturer from the conference or the lecturer leaves the
conference, all participants remain muted but are able to view participants in
regular video layout until you disable the Mute Participants Except Lecturer option.
When you replace a lecturer, the MCU automatically mutes the previous lecturer
and unmutes the new lecturer.
When The Mute Participants Except Lecturer option is disabled during the ongoing
conference, all the participants in the conference are unmuted.
A participant can override the Mute Participants Except Lecturer option by activating the
Mute All Except Me option using the appropriate DTMF code, provided the participant
has authorization for this operation in the IVR Services properties. The lecturer audio is
muted and the participant audio is unmuted. You can reactivate the Mute Participants
Except Lecturer option after a participant has previously activated the Mute All Except
Me option. The participant is muted and the lecturer, if designated, is unmuted.
In cascaded conferences, all participants (including the link participants) except the
lecturer are muted. Only the lecturer is not muted.
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