.

ǐ                 DTMF            ...


.

  Tapi ActiveX     . (  6)
      SystemTrayIcon ActiveX.

          (   Ә    AVR)
                                         ....      ј !

 ActiveX   Microsoft Tapi3  tapi3.dll   (COM)           .    (  ) msdn.microsoft.com
        .

 Ԙ .