Polycom 1500/1800/2000/4000 manual New AVC CP Profile Audio Settings Parameters, Participants pane

		Defining AVC-Based Conference Profiles
New AVC CP Profile - Audio Settings Parameters
Field/Option	Description
Mute participant	When the Mute Participants Except Lecturer option is enabled, the audio of all
except lecturer	participants in the conference except for the lecturer can be automatically muted
	upon connection to the conference. This prevents other conference participants
	from accidentally interrupting the lecture, or from a noisy participant affecting the
	audio quality of the entire conference. Muted participants cannot unmute
	themselves unless they are unmuted from the Collaboration Server Web
	Client/RMX Manager.
	You can enable or disable this option during the ongoing conference.
	Notes:
	• When enabled, the mute indicator on the participant endpoints are not visible
		because the mute participants was initiated by the MCU. Therefore, it is
		recommended to inform the participants that their audio is muted by using the
		Closed Caption or Message Overlay functions.
		In the Collaboration Server Web Client/RMX Manager the mute by MCU
		indicator is listed for each muted participant in the Audio column in the
		Participants pane.
	• This option can be disabled during an ongoing conference, thereby unmuting all
		the participants in the conference.
	• 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 replace a lecturer, the MCU automatically mutes the previous lecturer
		and unmutes the new lecturer.
	• 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 the you disable the Mute Participants Except Lecturer
		option.
	• 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.
		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 participant) are
		muted. Only the lecturer is not muted.
Speaker Change	Indicates the amount of time a participant must speak continuously before
Threshold	becoming the speaker.
	Select the desired threshold:
	• Auto (Default, 3 seconds)
	•	1.5 seconds
	•	3 seconds
	•	5 seconds

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