Cisco Systems 7971G-GE, 7970G - page 147

7-15
Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 7.0
OL-15299-01
Chapter 7 Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone
Status Menu
MOS LQK Version Version of the Cisco proprietary algorithm used to calculate MOS
LQK scores.
Cumulative Conceal Ratio Total number of concealment frames divided by total number of
speech frames received from start of the voice stream.
Interval Conceal Ratio Ratio of concealment frames to speech frames in preceding
3-second interval of active speech. If using voice activity detection
(VAD), a longer interval might be required to accumulate 3 seconds
of active speech.
Max Conceal Ratio Highest interval concealment ratio from start of the voice stream.
Conceal Secs Number of seconds that have concealment events (lost frames) from
the start of the voice stream (includes severely concealed seconds).
Severely Conceal Secs Number of seconds that have more than 5 percent concealment
events (lost frames) from the start of the voice stream.
Latency Estimate of the network latency, expressed in milliseconds.
Represents a running average of the round-trip delay, measured
when RTCP receiver report blocks are received.
Network Protocol Identifies the current Network Protocol—IPv4.
Table 7-6 Call Statistics Items (continued)
Item Description