Yealink SIP-T48U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Customizing a Language Pack for Note Display
When you add a new language pack for the note, the note language pack must be formatted as “X.name_note.xml”
(X starts from 14, “name” is replaced with the language name). If the note language name is the same as the exist-
ing one, the new uploaded note language pack will override the existing one. We recommend that the filename of
the new note language pack should not be the same as the existing one.
Procedure
Open the desired note language template pack (for example, 1.English_note.xml) using an XML editor.
Modify the text of the note field. Do not modify the note name.
The following shows a portion of the note language pack “1.English_note.xml” for the web user interface:
Save the note language pack and place it to the provisioning server.
Custom Language for Web and Note Display Configuration
If you want to add a new language (for example, Wuilan) to phones, prepare the language file named as
“14.Wuilan.js” and “14.Wuilan_note.xml” for downloading. After the 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.
The following table lists the parameters you can use to configure a custom language for web and note display.
Parameter
wui_lang.url <y0000000000xx>.cfg
Description
It configures the access URL of the custom language pack for the web user interface.
Permitted
Values
URL within 511 characters
For example http://localhost/X.GUI.name.lang
X starts from 014, “name” is replaced with the language name
Default
Blank
Parameter
wui_lang_note.url <y0000000000xx>.cfg
Description
It configures the access URL of the custom note language pack for the web user interface.
Permitted
Values
URL within 511 characters
For example http://localhost/X.name_note.xml

Yealink SIP-T48U Specifications

General

Handset type	Wired handset
Product type	IP Phone
Product color	Gray
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Expansion module support	Yes
Ethernet LAN (RJ-45) ports	2
Display diagonal	7 \
Display resolution	800 x 480 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Voice codecs	AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithms	AES, HTTPS, SRTP, TLS
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Front camera	-
AC adapter input voltage	100 - 240 V
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Keypad number of keys	29
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Width	226 mm
Height	185 mm