Ericsson DIALOG 4220 - Manual (Page 24)

Outgoing Calls
Dialog 4220 Lite/Dialog 4222 Office 24
If all external lines are busy (after dialing the digit or digits to get a
line): 6
Press.
Notes:
You can also press: Callback (function key preprogrammed
by you).
France, Finland and Sweden, Press
5
z #
Dial the external number and press.
d
Replace the handset to finish procedure.
When an external line becomes free you will be called back (recall
ring signal). You have to answer within eight seconds, otherwise the
Callback service is cancelled. While waiting for the Callback, you
can make and receive calls as usual. u
Lift the handset when you are called back.
The system calls the external number.
Note: Only one Callback can be activated on a busy
external line. Callbacks from additional lines will recall on
Line 1.
Cancel any single Callback #37* z
Dial and enter the extension number.
Note: To cancel a single Callback on a specific external line,
dial the digit or digits to get a line instead of the extension
number. # í
Press.
Cancel all Callbacks #37#
Dial.
í
Press.