Billion Electric Company 7300VP User Manual
Page 124
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Korea 440
480
1s/2s
Singapore 425 x
1s/2s
Spain 425 x
1.5s/3s
Taiwan 440 480
1s/2s
United Kingdom
425
x
1s/4s
Dial Tone
Dial Tone
Frequency
1
( Hz)
Frequency
2
(Hz)
Cadence
On/Off
American 350 440
0s/0s
Bulgaria 425 x
0s/0s
China 450 x
0s/0s
France 425 x
0s/0s
Germany 425 x
0s/0s
Italy 425
x
0s/0s
Japan 400 x
0.25s/0.25s
Korea 350
440
0s/0s
Singapore 425 x
0s/0s
Spain 425 x
0s/0s
Taiwan 350
440
0s/0s
United Kingdom
395
x
0s/0s
123
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