Yealink SIP-T54S Administrator's Manual page 302

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
Example:
static.lang.gui = English
If you want to use the custom language (e.g., Guilan) for the IP phone, configure the
parameter "static.lang.gui = Guilan".
Note: For SIP-T42G/T41P/T40P/T40G/T23P/T23G/T21(P) E2/T19(P) E2 IP phones, they do
not support Chinese by default. For more information, contact Yealink FAE.
Web User Interface:
None
Phone User Interface:
Menu->Basic->Language
static.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:
static.lang.wui = English
If you want to use the custom language (e.g., Wuilan) for the IP phone, configure the
parameter "static.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. For SIP-T42G/T41P/T40P/T40G/T23P/T23G/T21(P)
E2/T19(P) E2 IP phones, they do not support Chinese by default. For more information,
contact Yealink FAE.
Web User Interface:
None
Note: You can change the language for the web user interface on each page via web user
interface.
Phone User Interface:
None
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Parameters Permitted Values
Refer to the following content
Default
English