Administrator’s Guide for W60P/W53P/W41P DECT Phones
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in SIP PUBLISH messages to a central voice quality report collector. Yealink IP phones support two mechanisms for
voice quality monitoring: RTCP-XR and VQ-RTCPXR.
Topics
RTCP-XR
The RTCP-XR mechanism, compliant with
RFC 3611-RTP Control Extended Reports (RTCP XR)
, provides the metrics con-
tained in RTCP-XR packets for monitoring the quality of calls. These metrics include network packet loss, delay metrics,
analog metrics and voice quality metrics.
Topic
RTCP-XR Configuration
The following table lists the parameters you can use to configure the RTCP-XR.
Parameter
voice.rtcp_xr.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the IP 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 IP 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 IP 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.
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