Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
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To change the wallpaper for expansion modules via phone user interface:
1. Press Menu->Basic->Display->EXP Wallpaper.
2. Press or , or the Switch soft key to select the desired wait time from the
Wallpaper field.
3. Press the Save soft key to accept the change.
Transparency
If you are using a custom image with a single color or complex background, it may affect your
experience of the idle screen display. Users can choose an appropriate transparency for DSS
key labels and status bar on the idle screen as required. The transparency is only applicable to
SIP-T54S/T52S/T48G/T48S IP phones.
When the transparency is set to 100%:

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