Polycom 7.5 Manual De Usuario

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MGC Manager User’s Guide - Volume I
4-57
Defining Advanced Media Settings
When you click the Advanced >> button in the Media Settings pane of the 
Conference Properties - Settings tab, additional parameters appear. 
7.
To set additional parameters in the Media Settings area of the Conference 
Properties - Settings
 tab, click the Advanced >> button. 
Table 4-7: Conference Properties Advanced Settings - Media
Field/Option
Description
Roll Call
Roll Call records the participant’s name and plays it 
back when the participant enters and leaves a 
conference. 
The chairperson can request a roll call in which the 
recorded names of all conference participants are 
played back to the conference at the beginning of 
the conference or at any time during the 
conference. If Roll Call is disabled for the 
conference but enabled in an assigned IVR 
service, the particpants names are recorded as 
they enter the conference, and can be played 
during the conference if enabled.
Note: 
This option is available only for IVR-enabled 
conferences, and only when the Roll Call option 
is selected in the definition of the IVR Service 
assigned to the conference. It requires the 
installation of the Audio+ card in the MCU.
If Entry Tone and Exit Tone are enabled for the 
conference, the participant name is played 
back to the conference 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, Roll Call cannot be requested during 
the On Going Conference. However, the 
participant name is recorded as the Roll Call 
option can be enabled during the On Going 
Conference.