Computer programs recorded on data carriers and data files; computer software, including for telecommunications, digital data transmission and e-commerce applications; video conference systems and installations, mainly comprising communications protocols, software and equipment for transmission of sound, image and/or multimedia data, and software and equipment for input and/or output of sound and/or image data; multimedia equipment and components therefor; equipment and software for video-on-demand; routers; telecommunications equipment; gateways; exchanges for public and proprietary digital and analog networks; switches for public and proprietary digital and analog networks; digital networks; network management systems; telecommunications apparatus, including ISDN terminals and ISDN telephone installations; ISDN telecommunications boxes; ISDN cards, including for personal computers; PC cards; PCMCIA cards, modems; apparatus for recording, transmission, processing or reproduction of sound and/or images and/or data; apparatus and equipment for telecommunications technology; image and/or sound recording carriers and/or data carriers, unrecorded or containing programs and/or data files and/or other contents; data processing equipment and computers, including microcomputers, and peripheral devices therefor, including visual display units, modems, printers, external memories; microprocessors and other electronic component parts for computers; none of the foregoing being televisions or adapted for use only with televisions