Cisco Systems OL-19025-01 Manual De Usuario
8-10
Cisco Unified IP Phone 6921, 6941, and 6961 Administration Guide for Cisco Unified Communications Manager 7.1 (SCCP)
OL-19025-01
Chapter 8 Monitoring the Cisco Unified IP Phone Remotely
Streaming Statistics
Related Topics
•
“Configuring Settings on the Cisco Unified IP Phone”
chapter
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.
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).
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.
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.
of the round-trip delay, measured when RTCP receiver report blocks are received.
Max Jitter
Maximum value of instantaneous jitter, in milliseconds.
Sender Size
RTP packet size, in milliseconds, for the transmitted stream.
Sender Reports Received
Number of times RTCP Sender Reports have been received.
Sender Report Time
Received
Received
Last time at which an RTCP Sender Report was received.
Rcvr Size
RTP packet size, in milliseconds, for the received stream.
Rcvr Discarded
RTP packets received from network but discarded from jitter buffers.
Rcvr Reports Received
Number of times RTCP Receiver Reports have been received.
Rcvr Report Time Received
Last time at which an RTCP Receiver Report was received.
Voice Quality Metrics
Cumulative Conceal Ratio
Total number of concealment frames divided by total number of speech frames received
from start of the voice stream.
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.
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).
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.
the start of the voice stream.
1.
When the RTP Control Protocol is disabled, no data generates for this field and thus displays as 0.
Table 8-5
Streaming Statistics Area Items (continued)
Item
Description