Transmission, diffusion and reception of all sorts of data whatsover through cables, by means of radio-electric transmission or by means of optical or other electromagnetic systems; maintenance of telecommunication infrastructure; electronic data storage and processing; transmission of alphanumerical data to mobile users of telecommunication peripherals, including calling systems (for persons)

Publication of printed matter including folders (except advertising material), manuals and operation instructions, memocards (concerning subscribers' particulars and communication codes)

Planning, designing, developing, forming, maintaining, managing, surveying and optimizing telecommunication networks for transmission of information; designing, devising, adapting, extending and maintaining computer programs