Public Overridable Sub DTMFToneAdd( _
   ByVal _str As String, _
   ByVal _bReplace As Integer _
) 

public virtual void DTMFToneAdd( 
   string _str,
   int _bReplace
)

public procedure DTMFToneAdd( 
    _str: String;
    _bReplace: Integer
); virtual; 

public: virtual void DTMFToneAdd( 
   BSTR* _str,
   int _bReplace
) 

Parameters

_str

DTMF char

_bReplace

1 to replace a previously specified char

Reference

MFSignalingDTMFClass Class
MFSignalingDTMFClass Members