Basic call processing
Sending a warning tone to an extension in line lockout
When a handset is left off a telephone for an extended period of time, the telephone
goes into a state called "line lockout." .
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Note 1:
You cannot cancel the warning tone. It stops after a certain period of time,
or when the telephone's handset is put back on the hook.
Note 2:
You cannot break in to an extension that is already receiving the warning tone.
Press an idle lpk
key.
Press BKI.
Dial the extension
you wish to check.
To break in to the
extension, press
BKI.
Press
, then
RLS .
The lpk indicator
goes on.
The BKI indicator
goes on.
A fast busy signal
(overflow tone) is
heard at the console.
The BKI indicator
goes off.
The warning tone is
sent to the extension.