Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
193
Specify the access URL of the custom
screen saver image.
Parameter:
screensaver.upload_url
Delete custom screen saver image.
Parameter:
screensaver.delete
Configure the IP phone to display the
clock and icons when the screen saver
starts.
Parameter:
screensaver.display_clock.enable
Configure the interval for the IP phone to
change the picture when the screen saver
starts.
Parameter:
screensaver.picture_change_interval
Configure the interval for the IP phone to
move the clock and icons when the screen
saver starts.
Parameter:
screensaver.clock_move_interval
Web User Interface
Configure the time to wait in the idle state
before the screen saver starts.
Configure the type of screen saver to
display.
Upload the custom screen saver image.
Delete custom screen saver image.
Navigate to:
http://<phoneIPAddress>/servlet?m=mod
_data&p=settings-preference&q=load
Phone User Interface
Configure the screen saver wait time on
the IP phone.

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