Polycom DOC2238A Hardware Installation Manual page 97

Table 4-5: MGC+ Functional Modules Description
Functional Module
IP+24/48
IP+48/96
MPI-4
MPI-8
Audio+
MGC+ Hardware and Installation Manual
Function
Perform signaling and
capabilities exchange for
conferencing. Encrypted
conferences with IP
participants, SIP sessions
and mixed component
conferences that include SIP
participants require IP+ cards
Perform signaling and
capabilities exchange for
conferencing. Encrypted
conferences with IP
participants, SIP sessions
and mixed component
conferences that include SIP
participants require IP+ cards
Uses dialing protocols to
communicate to endpoints
using "Data Terminal
Equipment" (DTE), or Data
Communications Equipment
(DCE).
Uses dialing protocols to
communicate to endpoints
using "Data Terminal
Equipment" (DTE), or Data
Communications Equipment
(DCE).
Performs audio compression,
decompression
Port capacity
48 channels at
128Kbps
96 channels at
128Kbps
120 channels/92
channels
240 channels/184
channels
• Audio+12/24 - 12/
24* ports
• Audio+24/48 - 24/
48* ports
•
Audio+48/96 - 48/
96* ports
* video/audio
conferences
4-17