Abstract: Disclosed is a technique for presenting information to a telephone operator to enhance the efficient completion of telephone calls. Numerous data bases are generated to make available information concerning any type of telephone call with which the operator might be requested to assist or complete. The operator workstation is program controlled to access the various data bases and present information particular to that type of telephone call being serviced. Interaction between the operator and the workstation based on visual menus allows the operator to initiate access to the data bases for other or more detailed information which is displayed on menus and overlay menus.