Abstract: This invention relates to a method and apparatus for communication between an operator or agent position and a switching system and databases. The position includes a display screen and keyboard. Data for controlling a plurality of displays for the screen is stored in the switching system. In response to an operator's logging into the system, the position is connected to a plurality of databases by switched virtual channels, carried over the data channel of an ISDN connection from the position to the switch, and via switched virtual channels to the databases. A special section of the screen is devoted to parameters which are automatically transferred from one display to another whenever a new display is requested. When an operator wishes to set up a call, the call will be set up in accordance with the latest version of the parameters, whether or not the operator requests a display of a call control screen.