Operation Manual

15BusinessPhone – Analog Telephone
Outgoing Calls
Automatic call-back
You call an extension and receive busy tone or get no answer.
This can also be used if no external line is free:
5 Press
Verification tone.
d Replace the handset
You are called back if the extension finishes the ongoing call or the
next time the extension finishes a new call. You have to answer
within eight seconds otherwise the call-back service is cancelled.
u Lift the handset when you are called back
The requested extension is called automatically.