Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
285
Specify the access URL of the
custom logo file.
Parameter:
lcd_logo.url
Delete all custom logo files.
Parameter:
lcd_logo.delete
Web User Interface
Configure the logo shown on the
idle screen.
Upload the custom logo file.
Navigate to:
http://<phoneIPAddress>/servlet?
p=features-general&q=load
Details of Configuration Parameters:
Parameters
Permitted Values
Default
phone_setting.lcd_logo.mode
0, 1 or 2
0
Description:
Configures the logo mode of the LCD screen.
0-Off
1-System logo
2-Custom logo
If it is set to 0 (Off), the IP phone is not allowed to display a logo.
If it is set to 1 (System logo), the LCD screen will display the system logo.
If it is set to 2 (Custom logo), the LCD screen will display the custom logo (you need to
upload a custom logo file to the IP phone).
Note: It is not applicable to SIP-T54S/T52S/T48G/T48S/T46G/T46S/T29G IP phones.
Web User Interface:
Features->General Information->Use Logo
Phone User Interface:
None
lcd_logo.url
URL within 511
characters
Blank
Description:
Configures the access URL of the custom logo file.

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