Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
183
When the DSS key list is unfolded (tap More key when the phone is idle):
When the DSS key list is folded (tap Hide key when the DSS key list is unfolded):
Note
The wallpaper image format must meet the following:
Phone Model
Format
Resolution
Single File
Size
Note
SIP-T54S/T52S
*.jpg/*.png/*.
bmp/*.jpeg
<=4.2
megapixels
<=5MB
2MB of space
should be
reserved for the
phone
SIP-T48G/S
<=2.0
megapixels
<=5MB
The wallpaper will display on the entire screen. Note that the line key labels, time and date,
icons, and soft keys will display over the wallpaper, while they are invisible on the image logo
screen.

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