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Yealink SIP-T48U Administrator's Guide

Yealink SIP-T48U
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Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
240
Description of the Onscreen Keyboard Input Method Files
Before you customize the onscreen keyboard input method files, take a few moments to familiarize yourself with
their formats and descriptions.
File Type
File Name
(* represents any char-
acter)
Template File Description
Lang keyboard_lang.xml keyboard_lang.xml Configures the language of the keyboard.
Ime keyboard_ime_*.xml
keyboard_ime_en.xml
Configures the alternative characters for
English keyboard in alphabetic input
mode.
keyboard_ime_francais.xml
Configures the alternative characters for
French keyboard in alphabetic input
mode.
keyboard_ime_num.xml
Configures the alternative characters for
keyboard in numeric&symbolic input
mode.
Layout keyboard_layout_*.xml
keyboard_layout_1.xml
Configures the layout of English keyboard
in alphabetic input mode.
keyboard_layout_2.xml
Configures the layout of English or French
keyboard in numeric&symbolic input
mode.
keyboard_layout_fran-
cais.xml
Configures the layout of French keyboard
in alphabetic input mode.
Note: If you want to customize the existing input method files of the onscreen keyboard, you just need to upload the custom
files.
If you want to create a new language onscreen keyboard, you should upload all three types of input method files at
a time. For the example above, you should upload “keyboard_lang.xml”, “keyboard_ime_francais.xml” and “key-
board_layout_francais.xml” files at a time.
Lang File Elements and Attributes
The following table lists the elements and attributes you need to understand in the Lang file. We recommend that
you do not edit these elements and attributes.
Elements Attributes
Description
Lang Name Specify the display name of the language.
Ime Name
Specify the Ime file(s) that the language will use.
Note: One Ime file can be used by multiple languages. For example, the key-
board in numeric&symbolic input mode is almost the same for each lan-
guage, you can use the template file (keyboard_ime_num.xml) as the input
method file for multiple languages.
Customizing a Lang File
1.
Open the template file.
2.
Edit the corresponding string in the file.

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Yealink SIP-T48U Specifications

General IconGeneral
Handset typeWired handset
Product typeIP Phone
Product colorGray
USB 2.0 ports quantityUSB 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 supportYes
Ethernet LAN (RJ-45) ports2
Display diagonal7 \
Display resolution800 x 480 pixels
Lines quantity- lines
Phonebook capacity1000 entries
Number of VoIP accounts16
Voice codecsAGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithmsAES, HTTPS, SRTP, TLS
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
Front camera-
AC adapter input voltage100 - 240 V
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Keypad number of keys29
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Width226 mm
Height185 mm

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