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4/8/2010

This function detects DTMF tones from an established voice call.

Syntax 

HRESULT RIL_SetDTMFMonitoring(
  HRIL 
hRil,
  BOOL 
fEnable
);

Parameters

hRil

Handle to the RIL instance returned by RIL_Initialize.

fEnable

Value set to TRUE to initiate DTMF monitoring. Value set to FALSE to cancel.

Return Value

Positive HRESULTvalues indicate success and are used as command identifications for matching the asynchronous call result. Negative HRESULTvalues indicate an error. Errors are defined in the Ril.h file.

An asychronous result of RIL_RESULT_OKindicates success. The lpDatanotification parameter is set to NULL.

Remarks

The RIL proxy translates the RIL_SetDTMFMonitoringfunction into IOCTL_RIL_SetDTMFMonitoringwhen the RIL proxy calls RIL_IOControl.

Requirements

Header ril.h
Library Ril.lib
Windows Embedded CE Windows CE .NET 4.2 and later

See Also

Reference

RIL_Initialize