Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
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3. Save the language file and place it to the provisioning server (e.g., 192.168.10.25).
4. Specify the access URL of the note language pack of the web user interface.
If you want to add a new language (e.g., Wuilan) to IP phones, prepare the language file named
as “12.Wuilan.js” and “12.Wuilan_note.xml” for downloading. After update, you will find a new
language selection “Wuilan” at the top-right corner of the web user interface, and new note
information is displayed in the icon when the new language is selected.
Procedure
Loading language pack can only be performed using the configuration files.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Specify the access URL of the
custom language pack for web user
interface.
Parameter:
wui_lang.url
Specify the access URL of the
custom note language pack for web
user interface.
Parameter:
wui_lang_note.url
Delete custom language packs and
note language packs of the web
user interface.
Parameter:
wui_lang.delete
Details of the Configuration Parameters:
Parameters
Permitted Values
Default
wui_lang.url
URL within 511 characters
Blank
Description:
Configures the access URL of the custom language pack for the web user interface.
Example:
wui_lang.url = http://192.168.10.25/1.English.js
During the auto provisioning process, the IP phone connects to the HTTP provisioning
server “192.168.10.25”, and downloads the language pack “1.English.js”. The English
language translation will be changed accordingly if you have modified the language
template file.
If you want to download multiple language packs to the web user interface simultaneously,

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