Composer un numéro de téléphone (TAPI)

implementation

{$R *.DFM}

function tapiRequestMakeCall(DestAddress, AppName,
CalledParty, Comment: PChar): LongInt; stdcall; external 'TAPI32.DLL';

procedure TForm1.Button1Click(Sender: TObject);
var
PhoneNumber,
AppName : array[0..255] of Char;
begin
PhoneNumber := '1234567890';
StrPCopy(AppName, Application.Title);
tapiRequestMakeCall(PhoneNumber, AppName, '', '');
end;