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