Yealink T21PE2 User Manual

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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For example, if it is set to 500, when the value of one way delay computed by the phone is greater than or
equal to 500, the phone will send a warning alert quality report to the central report collector; when the
value of one way delay computed by the phone is less than 500, the phone will not send a warning alert
quality report to the central report collector.
If it is set to blank, warning alerts are not generated due to one-way delay. One-way delay includes both
network delay and end system delay.
Permitted
Values
10 to 2000
Default Blank
Web UI Settings->Voice Monitoring->Warning threshold for Delay
Parameter phone_setting.vq_rtcpxr_delay_threshold_critical <y0000000000xx>.cfg
Description
It configures the threshold value of one-way delay (in milliseconds) that causes the phone to send a crit-
ical alert quality report to the central report collector.
For example, if it is set to 500, when the value of one-way delay computed by the phone is greater than or
equal to 500, the phone will send a critical alert quality report to the central report collector; when the
value of one way delay computed by the phone is less than 500, the phone will not send a critical alert
quality report to the central report collector.
If it is set to blank, critical alerts are not generated due to one-way delay. One-way delay includes both
network delay and end system delay.
Permitted
Values
10 to 2000
Default Blank
Web UI Settings->Voice Monitoring->Critical threshold for Delay
VQ-RTCPXR Display
You can check the voice quality data of the last call via web user interface or phone user interface. You can also specify
the options of the RTP status to be displayed on the phone user interface. Options of the RTP status displayed on the
web user interface cannot be specified.
Note
You can configure the softkey layout feature to display the RTP Status soft key during the conference. Then you can press
the RTP Status soft key to check the voice quality data with different parties. For more information, refer to Softkey Lay-
out.
Topic
VQ-RTCPXR Display Configuration
VQ-RTCPXR Display Configuration
The following table lists the parameters you can use to configure VQ-RTCPXR display.
Parameter
phone_setting.vq_rtcpxr.states_show_on_web.en-
able
<y0000000000xx>.cfg
Description
It enables or disables the voice quality data of the last call to be displayed on the web interface at the
path Status->RTP Status.
Permitted
0-Disabled
1-Enabled

Yealink T21PE2 Specifications

General

Brand	Yealink
Model	T21PE2
Category	IP Phone
Language	English