Polycom 8 manual Option, Description, 10-29, 3:Basic Conference Parameters

	MGC WebCommander User’s Guide
Table 10-3: Basic Conference Parameters
Option	Description
Roll Call	Roll Call is a feature of the IVR Message Service
	used to record the participants name and play it back
	when entering and leaving a conference.
	The chairperson can request the system to play the
	names of all connected conference participants at
	the beginning of the conference, or at any time
	during the conference.
	This option can be enabled only when the Roll Call
	option is enabled in the IVR Service assigned to the
	conference. When enabled for the conference, the
	participant records his/her name upon connection to
	the conference and the chairperson can request a
	roll call in which the recorded names of all
	conference participants are played back to the
	conference.
	If the Entry Tone and Exit Tone are enabled for the
	conference, the participant’s name is played when
	the participant enters or leaves the conference.
	If the Roll Call option is disabled for the conference
	but enabled in the assigned IVR Service, the
	participant name is recorded. The Roll Call can be
	enabled during the On Going conference, but Roll
	Call cannot be requested by the chairperson.
Entry Tone/Roll	Select this option to enable the Entry Tone, which is
Call	played when a participant (audio or video) connects
announcement	to the conference. This tone is heard by all the
	participants currently connected to the conference
	(but not by the connecting participant). The tone is
	embedded in the MCU software.

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