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Messages and Signals
Audible signals
Continuous tone
3 seconds
Intermittent tone
5 seconds
(3 beeps)
(1 second on, 1
second off)
Rapid intermittent
35 seconds
tone
(0.7 seconds on,
0.3 seconds off)
70
Indicates the end of transmission,
reception, or copying.
Indicates incomplete transmission,
reception, or copying.
Indicates that the handset is off hook.
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