Polycom Audio and Video 4. If you have a gateway, select and configure these settings:, 5. Select and enter a prefix or suffix for each bandwidth you want to allow for gateway calls.

Chapter 3 - Configuring Network Use

4. If you have a gateway, select and configure these settings:5. Select and enter a prefix or suffix for each bandwidth you want to allow for gateway calls.

Outbound Call

Route If your system uses a gatekeeper, you can specify whether

outbound ISDN calls are routed through an IP-to-ISDN gateway or

through an ISDN line directly connected to the V500 system.

Gatekeeper IP

Address If you chose to use an automatically selected gatekeeper, this field

automatically displays the gatekeeper’s IP address.

If you chose to specify a gatekeeper, enter the IP address of the

gatekeeper here.

Alternate

Gatekeeper If your H.323 network infrastructure has been configured to use an

alternate gatekeeper when the primary gatekeeper is not

available, the alternate gatekeeper is displayed in this field.

Alternate gatekeeper support is configured on the primary

gatekeeper, and the V500 is notified of this configuration when it

registers to the gatekeeper on startup.

Setting Description

Country Code Enter the country code for the system’s location.

Area Code Enter the area or city code for the system’s location.

Number Enter the gateway’s number.

H.323 Extension

(E.164) 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 Number

Type Select the number type users must enter to call this system:

• Direct Inward Dial (DID) — Users enter an internal extension

to call this system directly.

Note: If you choose this option, 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 Digits in

DID Number Enter the number of digits in the DID number.

The national or regional dialing plan for your location determines

the standard number of digits. For instance, the US standard is 7

digits.

Number of Digits in

Extension If you selected Number + Extension, you must enter the number

of digits in the extension.

Your organization’s dial plan determines this number.

Setting Description