Cisco 7941G - Unified IP Phone VoIP Administration Manual page 228

Streaming Statistics
Table 8-5 Streaming Statistics Area Items (continued)
Item
Max MOS LQK
MOS LQK Version
Cmltve Conceal Ratio
Interval Conceal Ratio Ratio of concealment frames to speech frames in preceding 3-second interval
Max Conceal Ratio
Conceal Secs
Severely Conceal Secs Number of seconds that have more than 5 percent concealment events (lost
1. When the RTP Control Protocol is disabled, no data generates for this field and thus displays as 0.
Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.1
8-18
Description
Baseline or highest MOS LQK score observed from start of the voice stream.
These codecs provide the following maximum MOS LQK score under normal
conditions with no frame loss:
G.711 gives 4.5
•
G.729 A /AB gives 3.7
•
Version of the Cisco proprietary algorithm used to calculate MOS LQK
scores.
Total number of concealment frames divided by total number of speech
frames received from start of the voice stream.
of active speech. If using voice activity detection (VAD), a longer interval
might be required to accumulate 3 seconds of active speech.
Highest interval concealment ratio from start of the voice stream.
Number of seconds that have concealment events (lost frames) from the start
of the voice stream (includes severely concealed seconds).
frames) from the start of the voice stream.
Related Topics
"Configuring Settings on the Cisco Unified IP Phone"
•
"Configuring Features, Templates, Services, and Users"
•
"Call Statistics Screen" section on page 7-16
•
"Monitoring the Voice Quality of Calls" section on page 9-21
•
Chapter 8 Monitoring the Cisco Unified IP Phone Remotely
chapter
chapter
OL-14620-01