Polycom (RMX) 1500 User Manual

Chapter 4-Additional Conferencing Information

Polycom, Inc.

Network Quality Indicators are displayed for:
•

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).

Network Quality Indicators:
•

Are supported with MPMx cards only

•

Are not supported in:
—

—

AVC - Video switched conferences

Network quality is determined by the percentage of packet loss according to the following 

default threshold values:
•

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.

Major and Critical states are indicated with yellow and red indicator bars respectively.

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.

The default Major and Critical indication threshold values can be modified by manually 

adding the following System Flags and modifying their values as required.

The percentage degradation due to packet loss 
required to change the indicator from Normal to 
Major.
Default: 1