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Chapter 16-Network Services
Polycom, Inc. 16-15
8 Click the Ports tab.
Settings in the Ports tab allow specific ports in the firewall to be allocated to multimedia
conference calls.
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 IP cards to the
gatekeeper. If the IP card does not register within the defined time
interval, the gatekeeper will not refer calls to this IP card 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 RMX’s Signaling Host within the network.
Up to five aliases can be defined for each RMX.
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 card’s alias is sent to the
gatekeeper. Each alias can be of a different type:
• H.323 ID (alphanumeric ID)
• E.164 (digits 0-9, * and #)
• 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.
Table 16-7 Default IP Service – Conferencing – Gatekeeper Parameters (Continued)
Field Description