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TAPI_CUSTOMTONE structure (tapi3if.h)

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The TAPI_CUSTOMTONE structure contains the parameters that define a custom tone.

Syntax

typedef struct TAPI_CUSTOMTONE {
  DWORD dwFrequency;
  DWORD dwCadenceOn;
  DWORD dwCadenceOff;
  DWORD dwVolume;
} TAPI_CUSTOMTONE, *LPTAPI_CUSTOMTONE;

Members

dwFrequency

The frequency, in hertz, of the tone.

dwCadenceOn

The "on" duration, in milliseconds, of the cadence of a custom tone.

dwCadenceOff

The "off" duration, in milliseconds, of the cadence of a custom tone.

dwVolume

The volume level at which to generate the tone.

Requirements

Requirement Value
Header tapi3if.h

See also

ITLegacyCallMediaControl2::GenerateCustomTones

ITLegacyCallMediaControl2::GenerateCustomTonesByCollection

LINEGENERATETONE