User guide

Outgoing Calls
Dialog 4186 High20
If all external lines are busy (after dialing the digit or digits to get a
line):
6 Press.
Note: 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.
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.
Cancel any single Callback
u Lift the handset.
#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.
#d Press and replace the handset.
Cancel all Callbacks
u Lift the handset.
#37# Dial.
d Replace the handset.