Ericsson DIALOG 4220 - Manual (Page 21)

21 Dialog 4220 Lite/Dialog 4222 Office
Outgoing Calls
Individual external line
To make a call on a specific external line: *0*
Dial.
z #
Dial the individual external line number and press.
z
Dial the digit or digits to get an external line and the external
number.
Last External Number Redial
When you initiate an external call the system automatically stores all
the dialed digits, irrespective of whether the call was successful or
not. u
Lift the handset. ***
Dial to repeat the stored number.
The last external number is automatically redialed.
Notes:
You can also press Last Number Redial (function key
preprogrammed by you).
Finland and Sweden, dial
* * 0