Polycom HDX Series Administrator's Manual page 19

To configure the system to use a gatekeeper:
1. Go to System > Admin Settings > Network > IP > H.323 Settings.
2. Select and configure these settings on the Gatekeeper screen:
Setting Description
Use Gatekeeper Specifies whether to use a gatekeeper. Gateways and
gatekeepers are required for calls between IP and ISDN.
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H.323 Name Specifies the name that gatekeepers use to identify this
system. You can make point-to-point calls using H.323
names if both systems are registered to a gatekeeper.
The H.323 Name is the same as the System Name, unless
you change it. Your organization's dial plan may define the
names you can use.
H.323 Extension Lets users place point-to-point calls using the extension if
(E.164) both systems are registered with a gatekeeper, and specifies
the extension that gatekeepers and gateways use to identify
this system.
The default H.323 Extension is based on the system serial
number, but it can be changed. Your organization's dial plan
may define the extensions you can use.
Gatekeeper IP If you chose to use an automatically selected gatekeeper,
Address this area displays the gatekeeper's IP address.
If you chose to specify a gatekeeper, enter the IP address.
Use Lets you specify whether multipoint calls use the system's
PathNavigator for internal multipoint capability or the Polycom PathNavigator™
Multipoint Calls Conference on Demand feature. This feature is available only
if the system is registered with a PathNavigator gatekeeper.
3. If you chose to specify a gatekeeper, select
Gatekeepers that the system can use if the primary gatekeeper is not
available.
Off — Calls do not use a gatekeeper.
Auto — System attempts to automatically find an
available gatekeeper.
Specify — Calls use the specified gatekeeper. Enter the
gatekeeper's IP address or name (for example,
gatekeeper.companyname.usa.com, or 10.11.12.13).
Networks
to specify Alternate
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