Polycom DOC2238A manual MPI-4

MGC+ Hardware and Installation Manual

Table 4-5: MGC+ Functional Modules Description

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

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