Yealink SIP-T48G Administrator's Manual page 122

Administrator's Guide for SIP-T2_Series_T4_Series IP Phones
Don't modify the name of the note field.
The following shows a portion of the note language pack "1.English_note.xml" for the
web user interface (take SIP-T23G IP phones for example):
Note
The new added language must be supported by the font library on the IP phone. If the
characters in the custom language file are not supported by the phone, the IP phone will
display "?" instead.
Procedure
Loading language pack can only be performed using the configuration files.
Configuration File
108
<y0000000000xx>.cfg
Specify the access URL of
the phone user interface
language pack.
Parameter:
gui_lang.url
Specify the access URL of
the note language pack of
the web user interface.
Parameter:
wui_lang.url
Specify the access URL of
the note language pack of
the web user interface
Parameter:
wui_lang_note.url
Delete customized
language packs of the
phone user interface