Administrator’s Guide for SIP-T58V/T58A/T56A/CP960 IP Phones
298
Description
It enables or disables the phone to send RTCP-XR packets.
Permitted
Values
0
-Disabled
1
-Enabled
Default
0
Web UI
Settings->Voice Monitoring->Voice RTCP-XR Report
Parameter
voice.rtcp.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the phone to send RTCP packets.
Permitted
Values
0
-Disabled
1
-Enabled
Default
1
Parameter
voice.rtcp_cname
[1]
<y0000000000xx>.cfg
Description
It configures the cname of the RTCP packets.
Permitted
Values
String
Default
Blank
[1]
If you change this parameter, the phone will reboot to make the change take effect.
VQ-RTCPXR
The VQ-RTCPXR mechanism, compliant with
, sends the service quality metric reports contained in SIP
PUBLISH messages to the central report collector.
A wide range of performance metrics are generated in the following three ways:
l
Based on current values, such as jitter, jitter buffer max and round trip delay.
l
Covers the time period from the beginning of the call until the report is sent, such as network packet loss.
l
Computed using other metrics as input, such as listening Mean Opinion Score (MOS-LQ) and conversational Mean
Opinion Score (MOS-CQ).
Topics
Voice Quality Reports
Three types of quality reports can be enabled:
l
Session
: Generated at the end of a call.
l
Interval
: Generated during a call at a configurable period.
l
Alert
: Generated when the call quality degrades below a configurable threshold.
Topic
Voice Quality Reports Configuration
Voice Quality Reports Configuration
The following table lists the parameters you can use to configure the service quality reports.
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