9
Data processing programs
37
Installation of telecommunication systems, telecommunication networks and pertinent facilities and parts
38
Operation of telecommunication systems, in particular of company and carrier networks (voice, data and mobile radio networks) by means of electronic transmission, electronic storage and retrieval of data, images, sounds and documents via computer terminals, electronic mailing, facsimile transmission, transmission of short messages, voice box functions, call forwarding and conferencing services
42
Advisory services for the installation and operation of telecommunication systems and telecommunication networks; development and design engineering of telecommunication and information processing services and facilities as well as telecommunication networks and pertinent facilities and parts; development, generation and renting of data processing programs
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