EXFO MaxTester MAX-630 - Manual (Page 84)

Running DSL/IP Tests and Viewing Results
78 MAX-630
VoIP Summary
VoIP Summary
The VoIP Summary tab allows you to view the
pass/fail status and measurement details of the
different parameters. If a measured value is out the
thresholds configured in the VoIP Call setup, or if the
WAN connection was not completed successfully, the
VoIP Summary page will display a fail status.

MOS displays values for both the average and
current Mean Opinion Score, which provides a
relative measurement of VoIP call quality.

R-Factor displays values for both the average and
current R-Factor score which is a VoIP
transmission quality rating derived from multiple
VoIP metrics, including latency, jitter, and loss.

Latency displays the average, current, and maximum time delay
experienced (in ms) to deliver VoIP packets.

Jitter displays the average, current, and maximum variation (in ms) in
the packet transit delay of received VoIP packets.

Packets displays the number of lost and received VoIP packets, and the
total number of received bytes or active (non-idle) frames received on
a channel.