A reference to this class is passed to the media engine's main event handler VoipMediaEngine..::.SIPCALLBACKPROC whenever an incoming DTMF digit is detected. The contents of this class is used by application software to detect in-band and/or RFC2833 DTMF digit ON and OFF detections. Applications can access this data by processing the SipDtmfDigitEvent in the main media engine callback procedure.

public class DTMF_EVENT_DATA : IDisposable

Public Class DTMF_EVENT_DATA _
	Implements IDisposable

public ref class DTMF_EVENT_DATA : IDisposable

public class DTMF_EVENT_DATA implements IDisposable