TTAPILine - component is based on Windows Telephone API service (TAPI). You can use this component for the following tasks: 1. you can use modems installed from Windows for data exchange between two computers; 2. to get direct access to your modems under Windows. 3. TAPILine allows select modem, open communication port. Right after that you can set any special modes, commands and etc. directly for your modem. 4. dial and accept calls; 5. manage you modems via standard dialogs provided by Windows.