Yealink SIP-T2 SERIES Administrator's Manual page 228

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
Parameters
Menu->Settings->Basic Settings->Language
lang.wui
Description:
Configures the language used on the web user interface.
Permitted Values:
English, Chinese_S, Chinese_T, French, German, Italian, Polish, Portuguese, Spanish,
Turkish, Russian or the custom language name.
Example:
lang.wui = English
If you want to use the custom language (e.g., Wuilan) for the IP phone, configure the
parameter ―lang.wui = Wuilan‖.
Note: If the language of your browser is not supported by the IP phone, the web user
interface will use English by default.
Web User Interface:
Settings->Preference->Language
Phone User Interface:
None
To specify the language for the web user interface via web user interface:
1. Click on Settings->Preference.
2. Select the desired language from the pull-down list of Language.
3. Click Confirm to accept the change.
To specify the language for the phone user interface via phone user interface:
1. Press Menu->Settings->Basic Settings->Language.
206
Permitted Values
Refer to the following content
Default
English