K-factor (Cisco)
In Cisco Voice over IP deployments, the K-Factor is a Cisco proprietary method of reporting endpoint mean opinion scores. K-factor records contain the following metrics:
Field |
Display |
Description |
|---|---|---|
CCR |
Cum Conceal Ratio |
Cumulative Conceal Ratio represents the cumulative ratio of concealment time over speech time that is observed after starting a call |
ICR |
Interval Conceal Ratio |
Interval Conceal Ratio represents an interval-based average concealment rate that is the ratio of concealment time over speech time for the last 3 seconds of ACTIVE speech |
ICRmx |
Max Conceal Ratio |
Interval Conceal Ratio Max represents the maximum concealment ratio that is observed during the call |
CS |
Conceal Secs |
Conceal Secs represents the time during which some concealment is observed during a call |
SCS |
Severely Conceal Secs |
Severely Conceal Secs represents the time during which a significant amount of concealment is observed |
MLQK |
MOS LQK |
MOS Listening Quality K-factor provides an estimate of the MOS score of the last 8 seconds of speech on the reception signal path |
MLQKmn |
Min MOS LQK |
MOS Listening Quality K-factor Min represents the minimum score that is observed since the beginning of a call and represents the worst sounding 8-second interval |
MLQKmx |
Max MOS LQK |
MOS Listening Quality K-factor Max represents the maximum score that is observed since the beginning of a call and represents the best sounding 8-second interval |
MLQKav |
Avg MOS LQK |
MOS Listening Quality K-factor Avg represents the running average of scores that are observed since the beginning of a call |