Writing of programs for data processing; preparation of expert reports on technical matters; preparation of technical research reports; writing of studies on the development of telecommunication networks and telecommunication services; providing of technical, professional and consulting advice in relation to technical matters; research and development in the field of telecommunications, principally public telecommunication networks

Telecommunication services of all kinds

Communication equipment and installations, principally telecommunication networks, telephones, telephone receivers, telephone answerers, telecopiers (telefax), intercommunication devices, principal components in this class used in telecommunication systems, selectors and switching devices, locating and calling devices, telephone cables and telephone wires; dictating machines, devices for recording, transmitting and reproducing sound and image; sound-recording tapes and audio cassettes; loudspeakers; data-processing equipment, computer programs stored on data carriers (in so far as they are included in class 9); transmitter-receivers, remote controllers, power supply units (except generators); electric cables; audible alarms, voice-storing devices