Polycom 7.5 Manual De Usuario

Conferences can be of two media categories: Audio Only and Video and 
Audio.

Audio Only conferences include only Audio participants and allow the use of 
VoicePlus capabilities. In an Audio Only conference, participants can connect 
to the conference using different network connections: PSTN/ISDN or T1-
CAS lines, cellular phones, or VoIP (H.323 or SIP). Audio only participants 
can connect to conferences using VTX 1000 endpoints. VTX 1000 users 
connect to conferences as audio only participants, while enjoying the same 
wide band, high quality audio used by video participants.

VoicePlus offers special features such as the IVR Service, chairperson “dial-
out” inviting participants to join the On Going Conference, chairperson and 
participant control of the conference via touch-tone commands (DTMF 
codes), the management of voting and Question and Answer sessions, and 
many more. Touch-tone commands, MGC Manager and Web controls are the 
tools that are used to manage both Audio Only conferences and participants 
while voice prompts are used to guide participants to the appropriate 
conference. The prompts can be customized to enable multi-lingual support. 
In Audio Only conference setup, only the functions, operations and icons 
relevant to this type of conference are displayed in the MGC Manager, while 
functions and operations relevant to video conferences are hidden and 
disabled. 

For detailed information about the various Audio Only conference types, see 
the MGC Manager User’s Guide, VoicePlus Edition, Chapter 2, Defining 
Standard Audio Only Conferences and Reservations”.