Cisco 7931G - Unified IP Phone VoIP Manuel d'administration - Page 18

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Cisco 7931G - Unified IP Phone VoIP Manuel d'administration
Streaming Statistics
Table 8-5
Streaming Statistics Area Items (continued)
Item
Rcvr Report Time
1
Sent
Rcvr Packets
Rcvr Octets
MOS LQK
Avg MOS LQK
Min MOS LQK
Max MOS LQK
MOS LQK Version
Cumulative Conceal
Ratio
Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 6.1(3)
8-18
Description
Internal time stamp indicating when a RTCP Receiver Report was sent.
Total number of RTP data packets received by the phone since starting
receiving data on this connection. Includes packets received from different
sources if this is a multicast call. The value displays as 0 if the connection was
set to send-only mode.
Total number of payload octets received in RTP data packets by the device
since starting reception on the connection. Includes packets received from
different sources if this is a multicast call. The value displays as 0 if the
connection was set to send-only mode.
Score that is an objective estimate of the mean opinion score (MOS) for
listening quality (LQK) that rates from 5 (excellent) to 1 (bad). This score is
based on audible concealment events due to frame loss in the preceding
8-second interval of the voice stream. For more information, see the
"Monitoring the Voice Quality of Calls" section on page
The MOS LQK score can vary based on the type of codec that the
Note
Cisco Unified IP Phone uses.
Average MOS LQK score observed for the entire voice stream.
Lowest MOS LQK score observed from start of the voice stream.
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 3.8
•
G.728/iLBC gives 3.9
•
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.
Chapter 8
Monitoring the Cisco Unified IP Phone Remotely
9-21.
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