Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
195
Parameters
Permitted Values
Default
Web User Interface:
Settings->Preference->Screensaver Type
Phone User Interface:
Menu->Basic->Display->Screensaver->Screensaver Type
Note: It is configurable only if you have uploaded custom image file(s) to the IP phone.
screensaver.upload_url
URL within 511
characters
Blank
Description:
Configures the access URL of the custom screen saver image.
Example:
screensaver.upload_url = http://192.168.10.25/Screencapture.jpg
During the auto provisioning process, the IP phone connects to the HTTP provisioning
server “192.168.10.25”, and downloads the screen saver image “Screencapture.jpg”.
If you want to download multiple screen saver images to the phone simultaneously, you can
configure as following:
screensaver.upload_url = http://192.168.10.25/Screencapture.jpg
screensaver.upload_url = http://192.168.10.25/Screensaver.jpg
Note: It works only if the value of the parameter “screensaver.type” is set to 1 (Custom). It is
only applicable to SIP-T54S, SIP-T52S, SIP-T48G/S, SIP-T46G/S and SIP-T29G IP phones.
Web User Interface:
Settings->Preference->Upload Screensaver
Phone User Interface:
None
screensaver.delete
http://localhost/all
or
http://localhost/ na
me.(jpg/png/bmp)
Blank
Description:
Deletes the specified or all custom screen saver images.
Example:
Delete all custom screen saver images:
screensaver.delete = http://localhost/all
Delete a custom screen saver image (e.g., Screencapture.jpg):
screensaver.delete = http://localhost/Screencapture.jpg
Note: It is only applicable to SIP-T54S, SIP-T52S, SIP-T48G/S, SIP-T46G/S and SIP-T29G IP

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