Polycom DOC2563A manual Click Next If you selected H.323 only go to Step

Field

Description

Primary Gatekeeper

IP Address or	Enter either the gatekeeper’s host name (if a DNS
Name	Server is used) or IP address.
MCU Prefix in	Enter the string with which the MCU registers itself
Gatekeeper	with the gatekeeper.
	The gatekeeper uses this string to identify the MCU
	when forwarding calls to it.
	H.323 endpoints use this number as the first part of
	their dial-in string when dialing the MCU.
Aliases
Alias	The alias by which the RMX’s Control Unit is identified
	within the network. Up to five aliases can be defined
	for each RMX.
	Note: When a gatekeeper is specified, at least one
	prefix or alias must be entered in the table.
Type	Select the type that defines the format in which the
	card alias is sent to the gatekeeper.
	• H.323 ID (alphanumeric ID)
	• E.164 (0-9, * #)
	• URL ID (URL style address)
	• Transport ID (IP address: port number)
	• Email ID (email address format)
	• Party Number (identical to the E.164 format)
	Note: Although all alias types are supported (with
	H.323 and E.164 being the most common), the type to
	be used depends on your gatekeeper’s capabilities.

11Click Next.

12If you selected H.323 only go to Step 15.

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