Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
910
Parameters
Permitted
Values
Default
phone_setting.vq_rtcpxr_moslq_threshold_critical
15 to 40
Blank
Description:
Configures the threshold value of listening MOS score (MOS-LQ) multiplied by 10. The
threshold value of MOS-LQ causes the phone to send a critical alert quality report to the
central report collector.
For example, a configured value of 28 corresponds to the MOS score 2.8. When the MOS-
LQ value computed by the phone is less than or equal to 2.8, the phone will send a critical
alert quality report to the central report collector. When the MOS-LQ value computed by
the phone is greater than 2.8, 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 MOS-LQ.
Web User Interface:
Settings->Voice Monitoring->Critical threshold for Moslq
Phone User Interface:
None
phone_setting.vq_rtcpxr_delay_threshold_warning
10 to 2000
Blank
Description:
Configures the threshold value of one way delay (in milliseconds) that causes the phone to
send a warning 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 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.
Web User Interface:
Settings->Voice Monitoring->Warning threshold for Delay
Phone User Interface:
None
phone_setting.vq_rtcpxr_delay_threshold_critical
10 to 2000
Blank
Description:
Configures the threshold value of one way delay (in milliseconds) that causes phone to send

Yealink SIP-T52S Specifications

General

Touchscreen	-
Display diagonal	2.8 \
Backlight display	Yes
Display resolution	320 x 240 pixels
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
Bluetooth version	2.1+EDR
Security algorithms	802.1x RADIUS, HTTPS, MD5
Ethernet LAN interface type	Gigabit Ethernet
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Voice codecs	G.722, G.723, G.723.1, G.726, OPUS, iLBC
Volume control	Digital
Operating temperature (T-T)	-10 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Front camera	No
Operating system installed	Linux

Weight and Dimensions

Depth	212 mm
Width	211.6 mm
Height	166.8 mm