Electric apparatus for recording, emission, transmission, reception, restitution and processing of sounds, signals, signs and/or images and for integration in networks for communication of speech, images, texts, data, multimedia content and animated images; apparatus for recording, processing, emission, transmission, switching, storage and output of messages, information and data; communication computers, computer software; optical, electrotechnical and electronic apparatus for communication of speech, images, texts, data, multimedia content and animated images, especially communication of voice data; telephones, video telephones, telephone answering machines, selectors, home telephone sets, telephone installations with additional extensions; photocopiers; telecommunication networks consisting of switching and transmission apparatus, modules and components of such apparatus such as current supply apparatus; transmission media such as telecommunication cables and optical fibers as well as relevant junction elements; wireless infrared or radio transmission elements; parts of all the aforesaid equipment and apparatus; installations consisting of a combination of the aforesaid equipment and apparatus

Operation and technical management of telecommunication installations and telecommunication networks, especially of company and operator networks (voice, information and cellular networks), by means of electronic transmission, electronic storage and consultation of data, images, sounds and documents on computer terminals, direct mail advertising, transmission of facsimiles, transmission of short messages, telephone answering machine functions, circuits for call transferring and conferencing; rental of telecommunication equipment and apparatus as well as of telecommunication networks; technical advice in connection with the operation of telecommunication installations as well as of telecommunication networks