Audible signals
Continuous tone
Intermittent tone
(3 beeps)
Rapid intermittent
tone
3 seconds
5 seconds
(1 second on, 1
second off)
35 seconds
(0.7 seconds on,
0.3 seconds off)
Messages and Signals
Indicates the end of transmission,
reception, or copying.
Indicates incomplete transmission,
reception, or copying.
Indicates that an extension phone
connected to the machine is off hook.
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