Polycom 7.5 Manual De Usuario

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MGC Manager User’s Guide - Volume I
2-7
The IVR service enables the following operations that let operators facilitate 
and manage conferencing:
Personally guide individual participants to the conference
Monitor all participants who are currently waiting in the Entry Queue 
and IVR Queue regardless of their conference association
Assist participants in the Entry Queue, IVR queue, or during the 
conference
Conduct Voting sessions
Control Question and Answer sessions
Using IVR and DTMF codes, participants and chairpersons can perform 
various management operations during a conference, for example:
Request personal assistance
Request assistance for conference (Chairperson)
Lock or unlock conferences to dial- in participants (Chairperson)
Adjust the participant’s broadcasting and listening audio volume (All)
Mute or unmute the participant’s audio channel (All)
Mute all participants except the requesting participant (Chairperson)
Cancel the Exclusive Speaker mode (Chairperson)
Mute “Meet Me” dial-in participants upon their connection to the 
conference (Chairperson)
Change the conference password (Chairperson)
Place the conference on-hold (Chairperson)
Reinstate an on-hold conference (Chairperson)
Manage a Question-and-Answer session (Chairperson)
Conduct a Voting session (Chairperson)
Play the Help menu
Enable or disable the Roll Call feature (Chairperson)
Request a Roll Call and stop the Roll Call names review (Chairperson)
End (manually terminate) the Conference (Chairperson)
The IVR software module requires the installation of the Audio+ card in the 
MCU. For a detailed description of the IVR module, refer to the MGC 
Manager User’s Guide Volume II, Chapter 2
.