User Guide

Outgoing Calls
Dialog 4420 IP Basic22
Press.
Cancel all Callbacks
#37# Dial.
Press.
Activate Call Waiting
If you urgently wish to contact a busy extension or external line, you
can notify by a Call Waiting signal.
5 Press.
or
Ô CallWaiting press.
Note: France and Finland, press
6; Sweden, press 4
Keep handset off hook. When the called extension or the external
line becomes free, it will be called automatically.
Note: The Call Waiting feature might be blocked for use on
your extension (programmed by your system
administrator). If Call Waiting is not allowed, you will
continue to receive a busy tone.