Administrator’s Guide for the VSX Series
2 - 10
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.
PCAS Specifies whether to register to the PCAS (Polycom
Conferencing Application Server).
•Auto — System automatically finds the PCAS.
• Specify — Calls use the specified PCAS. Enter the PCAS IP
address or name, for example
pcas.companyname.xxxx, or 10.11.12.13.
• Off — Calls do not use the PCAS.
Note: For information about VSX support for SIP sites using
Lotus® Sametime® or Lotus Notes® in audio and video calls with
instant meetings, scheduled meetings, and Click2Call via the
RAS200I PCAS, refer to the Lotus Sametime or Lotus Notes
Integrated Video Conferencing Deployment Guide or User Guide.
PCAS Server
Address
Enter the PCAS IP address or name when PCAS is set to
Specify. If PCAS is set to Auto, the system displays the server
address in this field. When a PCAS Server Address is
configured, Registrar Server and Proxy Server are set
automatically.
Note: For information about VSX support for SIP sites using
Lotus Sametime or Lotus Notes in audio and video calls with
instant meetings, scheduled meetings, and Click2Call via the
RAS200I PCAS, refer to the Lotus Sametime or Lotus Notes
Integrated Video Conferencing Deployment Guide or User Guide.
Points to note about SIP:
Because some advanced video conferencing capabilities are not yet standardized,
and many capabilities depend on the SIP server, the following features are not
supported using SIP.
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
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