Interactive Broad-Band Dialogue Systems in the Integrated Services Digital Network (ISDN)

In the integrated services digital network of the future, Which will also have broad-band capacity, it will be possible to offer information services with multimedia presentation (e.g., with support of audiovisual material). For easy use, dialogue structures must be developed which lower the barrier of access for casual users. Offering information in a variety of applications at any place, a technical system consisting of different types of storage devices, operating Systems, and terminals, connected by a narrow- and broad-band switching and transmission system, must be available.