AASTRA 4220 Lite for BusinessPhone User Guide EN - Manual (Page 25)

25 BusinessPhone – Dialog 4220 Lite / Dialog 3210
Outgoing Calls
Individual Abbreviated Numbers via the
keypad
You can program and activate your most frequently used external
numbers via the keypad. u
Lift the handset.
** z
Press and dial the Abbreviated Number.
A number between 0 and 9.