OnFrequencyDetected

The OnFrequencyDetected event is fired when the main frequencies on the phone line deteted.

Event OnFrequencyDetected(m_Call As TAPICall, 
Frequency As Double, secondFreq As Double, 
starttime As Long, Duration As Long)

Parameters

m_Call

Reference to ITAPICall.

Frequency

main frequency.

secondFreq

The second frequency. (if avaiable)

starttime

The start time in ms.

Duration

the duration in ms.

 

Remarks

secondFreq will be -1 if no dual frequencies that are present in phone line. The following rules are always valid:

Frequency<>secondFreq
Frequency<secondFreq
secondFreq-Frequency>10Hz
the amplitude of Frequency or secondFreq > AmplitudeThreshold

Also OnFrequencyDetected only fires if recording or in direct wave/in mode and IWaveAnalysis.Enable=true

See Also

None.