Polycom V500 Administrator's Manual page 35

To configure the system to use a gateway:
1. Go to System > Admin Settings > Network > IP > H.323 Settings.
Setting Description
Country Code Specifies the country code for the system's location.
Area Code Specifies the area or city code for the system's location.
Number Specifies the gateway's number.
H.323 Extension Specifies the extension that identifies this system for incoming
(E.164) gateway calls. You can 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 you can change it. Your dial plan may define the
extensions you can use.
Gateway Specifies the number type users enter to call this system:
Number Type
•
•
Number of Specifies the number of digits in the DID number.
Digits in DID
The national or regional dialing plan for your location
Number
determines the standard number of digits. For instance, the
US standard is 7 digits.
This setting is only available when Gateway Number Type is
set to Direct Inward Dial.
Number of Specifies the number of digits in the extension.
Digits in
Your organization's dial plan determines this number.
Extension
This setting is only available when Gateway Number Type is
set to Direct Inward Dial.
2. Select and enter a prefix or suffix for each bandwidth you want to
allow for gateway calls.
Associating prefixes and suffixes with particular bandwidths on your
gateway can optimize the use of bandwidth by your organization. Be sure
to configure the gateway to use the same prefixes and suffixes you define
for the system.
Direct Inward Dial — Users enter an internal extension to
call this system directly.
Note: If you choose this setting, you must also register
the number with the gatekeeper as an E.164 alias.
Number + Extension — Users enter the gateway number
and the system's extension to call this system.
Configuring Network Use
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