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Polycom®, Inc. 369
RealPresence Collaboration Server 800s - Default IP Service – Conferencing – Gatekeeper
Parameters
Field Description
Gatekeeper Select Specify to enable configuration of the gatekeeper IP address.
When Off is selected, all gatekeeper options are disabled.
Primary Gatekeeper
IP Address or Name
Enter either the gatekeeper’s host name as registered in the
DNS or IP address.
Note: When in
IPv4&IPv6 or in
IPv6 mode, it is
easier to use
Names instead of
IP Addresses.
Alternate Gatekeeper
IP Address or Name
Enter the DNS host name or IP address of the gatekeeper
used as a fallback gatekeeper used when the primary
gatekeeper is not functioning properly.
MCU Prefix in
Gatekeeper
Enter the number with which this Network Service registers in the gatekeeper. This
number is used by H.323 endpoints as the first part of their dial-in string when
dialing the MCU.
Register as Gateway Select this check box if the Collaboration Server is to be seen as a gateway, for
example, when using a Cisco gatekeeper.
Refresh Registration
every __ seconds
The frequency with which the system informs the gatekeeper that it is active by
re-sending the IP address and aliases of the system to the gatekeeper. If the
system does not register within the defined time interval, the gatekeeper will not
refer calls to he system until it re-registers. If set to 0, re-registration is disabled.
Note:
• It is recommended to use default settings.
• This is a re-registration and not a ‘keep alive’ operation – an alternate gatekeeper
address may be returned.
Aliases:
Alias The alias that identifies the Collaboration Server’s Signaling Host within the
network. Up to five aliases can be defined for each Collaboration Server.
Note: When a gatekeeper is specified, at least one alias must be entered in the
table.
Additional aliases or prefixes may also be entered.
Type The type defines the format in which the system alias is sent to the gatekeeper.
Each alias can be of a different type:
• H.323 ID (alphanumeric ID)
• E.164 (digits 0-9)
• Email ID (email address format,
e.g. abc@example.com)
• Participant Number (digits 0-9, * and #)
Note: Although all types are supported, the type of alias to be used depends on the
gatekeeper’s capabilities.