Network Quality Levels; Guidelines - Polycom RealPresence Getting Started Manual

Polycom® RealPresence Collaboration Server 800s Getting Started Guide
The display of Network Quality icon (showing or hiding the icon) and the position of the icon
in the video layout cell can be customized by modifying the values of the relevant System
Flags.
For more information see "Manually Adding and Deleting System Flags" on page 21-12.

Network Quality Levels

Network quality is determined by the percentage of packet loss according to the following
default threshold values:
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The default Major and Critical indication threshold values can be manually modified by
changing the system flag values.
Major and Critical states are indicated with yellow and red indicator bars respectively.
Major
When network quality improves from Critical to Major remaining stable for 5 seconds, the
Network Quality Indicator is changed accordingly and when network quality improves from
Major to Normal, remaining stable for 5 seconds, the Network Quality Indicator is no longer
displayed.

Guidelines

Network Quality Indicators are displayed for:
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Network Quality Indicators:
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3-36
Packet loss less than 1% is considered Normal
Packet loss in the range of 1% - 5% is considered Major
Packet loss above 5% is considered Critical.
Critical
The Video Channel only in AVC Conferencing Mode.
Content, Audio and FECC Channel quality issues are not indicated.
The participant's own endpoint:
— Network Quality Indicators are displayed by default and can be disabled
— For media transmitted to and received from the RMX (Video in / Video out).
Participants displayed in the cells of the conference Video Layout:
— Network Quality Indicators are not displayed by default and can be enabled
— The media transmitted from the endpoint to the RMX (Video in).
Are supported with MPMx cards only
Are not supported in:
— SVC Conferencing Mode
— AVC - Video switched conferences
Polycom, Inc.