Polycom VSX Series Administrator's Manual page 73

Specifying Quality of Service
© Polycom, Inc.
Set the Quality of Service options for the way your network handles IP packets
during video calls.
To specify Quality of Service:
1. Go to System > Admin Settings > Network > IP > Quality of Service.
2. Configure these settings:
Setting Description
Type of Service Specifies your service type and lets you choose how to set the
priority of IP packets sent to the system for video, audio, and
far-end camera control:
•
•
Type of Service Specifies the IP Precedence or Diffserv value for Video, Audio,
Value and Far End Camera Control.
Enable PVEC Allows the system to use PVEC (Polycom Video Error
Concealment) if packet loss occurs.
3. Select and configure these settings:
Setting Description
Dynamic Specifies whether to let the system automatically find the optimum
Bandwidth line speed for a call.
Maximum Specifies the maximum transmit line speed between 56 Kbps and
Transmit 1920 Kbps.
Bandwidth
Maximum Receive Specifies the maximum receive line speed between 56 Kbps and
Bandwidth 1920 Kbps.
IP Precedence — Represents the priority of IP packets sent to
the system. The value can be between 0 and 5. If this option is
selected, enter the value in the Type of Service Value field.
DiffServ — Represents a priority level between 0 and 63. If this
option is selected, enter the value in the Type of Service Value
field.
Chapter 3 - Configuring Network Use
3 - 11