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Parameter # Description Units
6 Ring detect low frequency. Minimum valid frequency for the incoming ring signal.
Country
Default
United States 15
Australia 13
France 25
Germany 21
Netherlands 20
United Kingdom 15
India 15
Korea 15
China 15
1 Hz (10 Hz
to 99 Hz)
7 Ring detect high frequency. Maximum valid frequency for the incoming ring
signal.
Country
Default
United States 68
Australia 58
France 60
Germany 60
Netherlands 55
United Kingdom 40
India 68
Korea 68
China 68
1 Hz (10 Hz
to 99 Hz)
8 Ring envelope minimum ON time. Minimum time an entire ring signal must be
present to be counted as 1 ring. The entire ring signal may consist of several ring
bursts separated by periods of silence.
Country
Default
United States 150
Australia 180
France 500
Germany 250
Netherlands 300
United Kingdom 300
India 150
Korea 150
China 150
1 ms
(50 ms to
10000 ms)