Interquartz Handset - Tone Type and Volume Definitions; Handset Tone Types

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Tone Type and Volume
Frequency definition
A 440 Hz G 659 Hz M Hz S Hz
B 622 Hz H Hz N Hz T Hz
C 1109 Hz I Hz O Hz U Hz
D 1245 Hz J Hz P Hz V Hz
E 3000 Hz K Hz Q Hz W Hz
F 831 Hz L Hz R Hz
Handset tone types
Key Tone 1
E
10 ms 20 ms
Key Tone 2
C
50 ms 190 ms
Range Alarm Tone
F G
120 ms 120 ms 380 ms
Low Battery Alert Tone
D D D
100 ms 20 ms 100 ms 20 ms 100 ms
Error Tone
B A
100ms 20ms 100ms
Confirmation Tone
D
100 ms