Configuring Network Use
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Specifying Quality of Service
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:
Points to note about SIP:
The SIP protocol has been widely adapted for voice over IP communications and
basic video conferencing; however, many of the advanced video conferencing
capabilities are not yet standardized. Many capabilities also depend on the SIP
server.
Examples of features that are not supported using SIP are:
• Polycom Video and Audio Error Concealment
• Encryption
• People and Content (H.239 and Polycom People+Content)
• H.263 Pro-Motion
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:
• IP Precedence — Represents the priority of IP packets
sent to the system. The value can be between 0 and 5. If
this setting is selected, enter the value in the Type of
Service Value field.
• DiffServ — Represents a priority level between 0 and 63. If
this setting is selected, enter the value in the Type of
Service Value field.
Type of Service
Value
Specifies the IP Precedence or Diffserv value for Video, Audio,
and Far End Camera Control.
Enable PVEC Allows the system to use PVEC (Polycom Video Error
Concealment) if packet loss occurs.
Enable RSVP Allows the system to use Resource Reservation Setup Protocol
(RSVP) to request that routers reserve bandwidth along an IP
connection path. Both the near site and far site must support
RSVP in order for reservation requests to be made to routers
on the connection path.
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