AASTRA 4220 Lite for BusinessPhone User Guide EN - Manual (Page 48)

Absence Information
BusinessPhone – Dialog 4220 Lite / Dialog 3210 48
Change information
Note: Dialog 3210 only.
Erase #23#
Press to erase info.
X
Press to finish the procedure.
Save *23*#
Press to deactivate and save for later use.
Information is passive. X
Press to finish the procedure.
Use saved information
When the information is switched off: *23*#
Press to activate saved info.
Information is active. X
Press to finish the procedure.