Polycom VSX Series Manual De Usuario

Administrator’s Guide for the VSX Series

3 - 10

A gateway performs code and protocol conversion between H.323 (IP) 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.

Go to System > Admin Settings > Network > IP > H.323 Settings.

Select 

 two or three times and configure these settings:

Gatekeeper
System > Admin Settings > Network > 
IP > H.323 Settings > Next

Set Use Gatekeeper to Specify with 
PIN. 
Enter the H.323 Extension (E.164) 
provided by the ACM administrator.
Enter the ACM IP address for 
Gatekeeper IP Address.
Enter the Authentication PIN provided 
by the ACM administrator.

Call Preference
System > Admin Settings > Network > 
IP > Call Preference

Set Enable H.239.

Call Settings
System > Admin Settings > General 
Settings > System Settings > Call 
Settings

Set Auto-Answer Point to Point and 
Auto-Answer Multipoint to No.

Specifies the country code for the system’s location.

Specifies the area or city code for the system’s location.

Specifies the gateway’s number.

Specifies the extension that identifies this system for incoming 
gateway calls. 
The default H.323 Extension can be changed.