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Administrator’s Guide for ViewStation EX, ViewStation FX, and VS4000
3-12 www.polycom.com/videodocumentation
3. Select Next and enter a prefix or suffix for each bandwidth you want to allow
for gateway calls.
Be sure to configure the gateway to use the same prefixes and suffixes you define for
the system.
Specifying Quality of Service
Set the Quality of Service options for the way your network handles IP packets
during video calls.
To specify the Quality of Service:
1. Go to System Info > Admin Setup > LAN/H.323 > QOS.
2. Configure these settings:
Area Code Specifies the area or city code for the system’s location.
Number Specifies the gateway’s number.
Extension Specifies the extension that identifies this system for incoming
gateway calls.
The default H.323 Extension is initially based on the system serial
number, but it can be changed.
Number of Digits in
DID Number
Specifies the number of digits configured by your network
administrator.
Number of Digits in
Extension
Specifies the number of digits configured by your network
administrator.
Setting Description
Setting Description
Type of Service
(ToS) Field
Lets you choose your service type.
Type of Service
(ToS) Value
Specifies the value of the Type of Service (ToS) byte in the IP
packet header for video, audio, and far-end camera control. These
values are supported:
Type of Service Minimum Value Maximum Value
IP Precedence: 0 5
Diffserv: 0 63