Last External Number Redial; Automatic Callback - Ericsson 4422 User Manual

Outgoing Calls
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Last External Number Redial

When you initiate an external call, the system automatically stores
all dialled digits, regardless of whether the call was successful or
not. Stored numbers can consist of a maximum of 32 digits.
Press to redial the last dialled external number and lift the
handset.
Note: You can also redial a number by using the Call List,
see section

Automatic Callback

You call an extension and receive busy tone or get no answer.
5
This can also be used if no external line is free:
Press.
Verification tone.
Note: The number for Automatic Callback may differ from
country to country, see table
Camp-on, Automatic Callback, Call pick-up,
page 90.
Replace the handset or press to finish the procedure.
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 Callback service is cancelled.
Lift the handset when you are called back.
The requested extension is called automatically.
"Call List" on page 35.
"Alternative Programming for
BusinessPhone – Ericsson Dialog 4422 IP Office
Intrusion" on