Yealink SIP-T2 SERIES Administrator's Manual page 240

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
2. Edit the corresponding string in the file.
3. Save the file and place this file to the provisioning server.
4. Specify the access URL of the custom Layout file in the configuration files.
If you want to customize the existing input method files of the onscreen keyboard,
Note
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_german.xml‖ and
―keyboard_layout_german.xml‖ files at a time.
Procedure
Specify the access URL of the custom onscreen keyboard input method file using the
configuration files.
Configuration File
Details of Configuration Parameters:
gui_onscreen_keyboard.url
218
<y0000000000xx>.cfg
Parameters
Specify the access URL of the
custom onscreen keyboard input
method file.
Parameter:
gui_onscreen_keyboard.url
Permitted Values
URL within 511 characters
Default
Blank