hmTAPI v20 is build for 4D v20 available for Intel and Apple Silicon processors (Universal) hmTAPI v20 has the same system requirements as 4D v20.
hmTAPI Commands Reference
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.