Configuring The System To Use A Gateway - Polycom HDX 4000 Series Administrator's Manual

Administrator's Guide for Polycom HDX Systems
2–14
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Configuring the System to Use a Gateway

A gateway performs code and protocol conversion between H.323 (IP), SIP,
and H.320 (ISDN), so that users on different networks can call one another. If
the system is configured to use a gateway, you must also configure it to use a
gatekeeper. For more information, refer to
Gatekeeper on page 2-9.
To configure the system to use a gateway:
Do one of the following:
1
— In the local interface, go to System > Admin Settings > Network > IP
> H.323 Settings (select
— In the web interface, go to Admin Settings > Network > IP Network
> H.323 Settings.
Configure these settings:
2
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.
The default H.323 Extension can be changed.
Gateway Specifies the number type users enter to call this system:
Number Type
• 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.
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.
Number of Specifies the number of digits in the extension used when
Digits in Direct Inward Dial is selected.
Extension
Your organization's dial plan determines this number.
Configuring the System to Use a
if necessary).
Polycom, Inc.