This is the power of the lower DTMF frequency 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