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Yealink SIP-T48U Administrator's Guide

Yealink SIP-T48U
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Phone Customization
245
Default
2aB
Parameter
phone_setting.virtual_keyboard.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the phone to use the onscreen keyboard.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
Devices
T57W, T48U, T48S, T48G
Parameter
gui_onscreen_keyboard.url
[1]
<y0000000000xx>.cfg
Description
It configures the access URL of the custom onscreen keyboard input method file.
Permitted
Values
URL within 511 characters
Default
Blank
Supported
Devices
T57W, T48U, T48S, T48G
[1]
If you change this parameter, the phone will reboot to make the change take effect.
Example: Configuring the French Onscreen Keyboard Input Method
The following example shows the configuration for configuring the French onscreen keyboard input method. The
onscreen keyboard input method is only applicable to T57W/T48U/T48S/T48G phones.
Customize the onscreen keyboard input method files “keyboard_lang.xml”, "keyboard_ime_francais.xml", "key-
board_ime_num.xml", "keyboard_layout_francais.xml", "keyboard_layout_2.xml" and place these files to the pro-
visioning server “http://192.168.10.25”.
Example
phone_setting.virtual_keyboard.enable = 1
gui_onscreen_keyboard.url = http://192.168.10.25/keyboard_lang.xml
gui_onscreen_keyboard.url = http://192.168.10.25/keyboard_ime_francais.xml
gui_onscreen_keyboard.url = http://192.168.10.25/keyboard_ime_num.xml
gui_onscreen_keyboard.url = http://192.168.10.25/keyboard_layout_francais.xml
gui_onscreen_keyboard.url = http://192.168.10.25/keyboard_layout_2.xml
After provisioning, you can use the French onscreen keyboard for entering information.

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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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