Call Statistics Fields; Access Call Statistics Screen - Cisco 3905 Administration Manual

Model Information, Status, and Statistics
Procedure
Step 1 Press Applications.
Step 2 Select Admin Settings.
Step 3 Select Status.
Step 4
Select Call Statistics.
Step 5
To exit the Call Statistics screen, press Back

Call Statistics Fields

The following table contains the fields in the Call Statistics screen.
Table 12: Call Statistics Items for the Cisco Unified SIP Phone 3905
Item
Rcvr Codec
Sender Codec
Avg Jitter
Max Jitter
Voice Quality Metrics
MOS LQK
Avg MOS LQK
Min MOS LQK
Call Statistics Fields, on page 61
Description
Type of voice stream received (RTP streaming audio from codec): G.729, G.711 u-law,
G.711 A-law.
Type of voice stream transmitted (RTP streaming audio from codec): G.729, G.711
u-law, G.711 A-law.
Estimated average RTP packet jitter (dynamic delay that a packet encounters when
going through the network) observed since the receiving voice stream was opened.
Maximum jitter observed since the receiving voice stream was opened.
Objective estimate of the Mean Opinion Score (MOS) for Listening Quality (LQK)
that ranks audio quality from 5 (excellent) to 1 (bad). This score is based on
audible-concealment events due to a frame loss in the preceding 8 seconds of the voice
stream.
The MOS LQK score can vary based on the type of codec that the
Note
Cisco Unified IP Phone uses.
Average MOS LQK score for the entire voice stream.
Lowest MOS LQK score from the start of the voice stream.
Cisco Unified SIP Phone 3905 Administration Guide for Cisco Unified Communications Manager 8.6 (SIP)

Access Call Statistics Screen

describes the fields in the screen.
.
61