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Chapter 3 - Configuring Network Use
© Polycom, Inc. 3 - 7
Configuring the System to Use a Gatekeeper
A gatekeeper supervises network traffic and manages functions such as
bandwidth control and admission control. The gatekeeper also handles address
translation, which allows you to make calls using static aliases instead of IP
addresses that may change each day.
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:
Setting Description
Use Gatekeeper Specifies whether to use a gatekeeper. Gateways and
gatekeepers are required for calls between ISDN and IP networks.
• Off — Calls do not use a gatekeeper.
•Auto — System automatically finds an available gatekeeper.
• Specify — Calls use the specified gatekeeper. Enter the
gatekeeper’s IP address or name (for example,
gatekeeper.companyname.usa.com or 255.255.255.255).
H.323 Name Specifies the name that gatekeepers and gateways 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 dial plan may define the names you can use.
H.323 Extension
(E.164)
Lets you place point-to-point calls using the extension if both
systems are registered with a gatekeeper.
The default H.323 Extension is based on the system serial
number, but it can be changed. Your dial plan may define the
extensions you can use.
Outbound Call
Route
For systems using a gatekeeper, specifies whether calls initiated
by this system should be handled as IP calls sent through a
gateway or as ISDN.
Gatekeeper IP
Address
If you chose to use an automatically selected gatekeeper, this
area displays the gatekeeper’s IP address.
If you chose to specify a gatekeeper, enter the IP address here.
Alternate
Gatekeepers
If you chose to specify a gatekeeper, you can specify other
gatekeepers that the system can use if the primary gatekeeper is
not available.