Ericsson Dialog 4187 Plus User Manual page 25

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Dialog 4187 Plus
Cancel any single Callback
Lift the handset.
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.
Press and replace the handset.
Cancel all Callbacks
Lift the handset.
Dial.
Replace the handset.
Activate Call Waiting
If you urgently wish to contact a busy extension or external line, you
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can notify the extension by a call waiting signal.
Press.
Note: France and Finland, press
Keep the handset off hook. When the called extension or the
external line becomes free, it will be called automatically.
Notes:
The Call Waiting feature might be blocked for use on your
extension (preprogrammed by your system administrator).
If Call Waiting is not allowed you will continue to receive a
busy tone.
Outgoing Calls
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; Sweden, press
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