This is the power of the average noise signal at the time of detection. It is specified in
dB (Decibels). The 0dB power level is referenced to full scale sin(x) 16 bit PCM. Only applies
to in-band DTMF detected digits.
Namespace:
LanScapeAssembly: LMEVoipManaged (in LMEVoipManaged.dll) Version: 6.0.5226.26700