Instruction manual
TECHNICAL SPECIFICATIONS
Call Progress Tones
The following call progress tones are generated by the system:
TONE
Busy
Call Waiting Notify
Confirmation
Dequeuing
Dial
Queuing
Recall Dial
Reorder
Ringback, Normal
Ringback, Special (Call
Waiting)
FREQUENCY
PATTERN (In Milliseconds)
480 Hz + 620 Hz
500 on, 500 off; repeated
440 Hz
200 on; not repeated
350 Hz + 440 Hz 100 on, 100 off, 100 on,
100 off, 100 on followed
by silence
350 Hz + 440 Hz
100 on, 100 off, 100 on,
100 off, 100 on followed
by silence
350 Hz + 440 Hz Continuous
440 Hz Five 50 ms tones, 50 ms
apart, not repeated
350 Hz + 440 Hz
100 on, 100 off, 100 on,
100 off, 100 on, 100 off,
followed by continuous
tone
480 Hz + 620 Hz 250 on, 250 off; repeated
440 Hz + 480 Hz 1200 on, 4000 off;
repeated
440 Hz + 480 Hz; 440 1000 on (440 Hz + 480
Hz
Hz), 200 on (440 Hz),
2800 off; repeated
5-10