Optical, electrotechnical and electronic apparatus and devices (to the extent included electrical devices for the recording, emission, transmission, switching, reception, reproduction and processing of sounds, signals, characters and/or images; 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 fibers and pertinent connection elements, wireless transmission media such as infrared and radio communication; parts of all aforementioned apparatus and devices; installations composed of a combination of the aforementioned apparatus and devices

Setting-up, mounting, maintenance and repair of telecommunication devices and systems and of telecommunication networks

Operation and administration of telecommunication systems, telecommunication networks and of pertinent facilities and parts; renting of telecommunication appliances and devices and of telecommunication networks

Consultancy in the setting-up of telecommunication systems and telecommunication networks; development and design engineering of telecommunication and information processing services and facilities and telecommunication networks; planning and design engineering of telecommunication systems, telecommunication networks and pertinent facilities and parts; development, generation and renting of data processing programs