AASTRA 4422 IP Office (SIP) for MX-ONE User Guide - Manual (Page 74)

Settings
Dialog 4422 IP Office 74
Language
You can change the display menu language for your phone.
Available languages are listed when the language menu is selected.
The phone must be logged on when changing the language.
Note: If the chosen language is not supported by your
telephone system, text sent from the system will continue to
be in English. Only text displayed from the phone itself will
be in the chosen language.
Change display menu language (default=English)
Settings
Ô
Press.
ì
Press.
Repeat until the
Language menu is framed.
Press.
Display menus is framed.
Press.
The current language is framed and marked (English is default).
ì
Press until the desired language is framed.
Note: The Clear key can be used to leave the menu without
saving the changes.
Press to store the framed language.
The display language is changed. The acknowledgement tone is
heard.
Press to return to the previous menu,
or
Settings
Х Ф
press to return to idle mode.