25
Dialog 4420 IP Basic
Outgoing Calls
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.
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.