Optical, electrotechnical and electronic apparatus and devices (included in this class); electrical devices for recording, emission, transmission, switching, reception, reproduction and processing of sounds, signals, characters and/or images and of the integration of voice, image, text, data, multimedia, full-motion video communications in networks, devices for recording, processing, sending, transmission, switching, storage and output of messages, information and data; communications computers, software; optical, electrotechnical and electronic equipment for voice, image, text, data, multimedia and full-motion video communications technology, especially for voice data communication, telephones, videophones, voice boxes, dialing devices, domestic telephone systems, private automatic branch exchanges; photocopiers; telecommunication networks consisting of exchange and transmission equipment, individual modules and components of such equipment such as power supply units, transmission media such as telecommunication cables and optical fibres and pertinent connection elements, wireless transmission media such as infrared and radio communication; parts of all aforementioned apparatus and devices (included in this class); installations composed of a combination of the aforementioned apparatus and devices

Operation and technical administration of telecommunication systems and telecommunication networks, in particular of company and carrier networks (voice, data and mobile telephone networks) by means of electronic transmission, electronic storage and recovering of data, images, sounds and documents via computer terminals, electronic mailing, fax transmission, transmission of short messages, mailbox functions, call forwarding and conference calls; renting of telecommunication appliances and devices and of telecommunication networks