Polycom V2IU 6400-S User Manual page 42

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User Guide V IU 6400-S Converged Network Appliance
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Some RAS messages can be multicast in order to automatically detect gate-
keepers. In the Multicast Messages area, you can enable listening to multicast
messages. This area includes the following configurable parameter:
Item
Listen to multicast
messages
In the H.460.18 Support area, you can configure H.460.18 support. This allows
the system to do NAT/Firewall traversal for clients behind NAT or firewall
devices. This area includes the following configurable parameters:
Item
Disabled
Enabled
Keep-alive time(s)
In the Alias Restrictions area, you can set a limit on the number of aliases that
are allowed to register with the system. If this number is exceeded when a cli-
ent tries to register, the registration is rejected. This area includes the follow-
ing parameter:
Item Description
Max Aliases Enter the maximum number of allowed aliases. If the value is set
to 0, the maximum is not enforced.
The H.323 Settings page includes the following two buttons:
Item Description
Submit Applies the settings configured on this page.
Reset Clears all fields and selections and allows you to enter new
information.
Description
Select this checkbox to enable listening to multicast
messages.
Description
Disables H.460.18 support.
Enables H.460.18 support.
Specifies the keep-alive time if H.460.18 support is
enabled.