Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
197
Parameters
Permitted Values
Default
1 (Enabled). It is only applicable to SIP-T54S, SIP-T52S, SIP-T48G/S, SIP-T46G/S and SIP-
T29G IP phones.
Web User Interface:
None
Phone User Interface:
None
To upload custom screen saver via web user interface:
1. Click on Settings->Preference.
2. Select Custom from the pull-down list of Screensaver Type.
3. In the Upload Screensaver field, click Browse to locate the custom picture from your
local system.
4. Click Upload to upload the file.
5. The Upload Screensaver field appears only if Screensaver Type is set to Custom.
The custom screen saver appears in the pull-down list of Screensaver. The Screensaver
field appears only if Screensaver Type is set to Custom.
To set the system screen saver via web user interface:
1. Click on Settings->Preference.

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