Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
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4. Click Upload to upload the file.
5. Click Confirm to accept the change.
Softkey Layout
Softkey layout is used to customize the soft keys at the bottom of the LCD screen to best meet
users’ requirements. In addition to specifying which soft keys to display, you can determine
their display order. It can be configured based on call states.
The following shows the softkeys displaying on the phone in the Dialing state:
You can configure the softkey layout using the softkey layout templates for different call states.
For more information on how to configure a softkey layout template, refer to Customizing
Softkey Layout Template File on page 289.
You are allowed to configure the EDK soft keys in different call states. For more information on
EDK soft keys, refer to Configuring EDK Soft Keys on page 801.

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