hmTAPI
hmTAPI is a plug-in developed by heubach media, Hamburg, Germany for 4th Dimension (4D).With hmTAPI you can call and receive incoming calls directly from your 4D application. The plugin is very easy to implement. Also, you got a full working demo database, so that you can start now..
Notice: hmTAPI works under Windows only. hmTAPI is a plugin to connect to the TAPI-device of MS Windows.
hmTAPI is available as a universal binary bundle for Macintosh and Windows. It was developed and tested with 4D v19.