9 [ Hand held computers; tablet computers; personal digital assistants; ] programs for hand held computers, tablet computers and personal digital assistants for video conferencing, video projection communication, teleconferencing, computer telephony, administration of computer networks and management of communication networks; [ computer programs for delivery management of conference materials; computer programs for operating video-conference systems; computer programs having functions of telecommunication, in particular, for use in e-mail and chat; computer programs for video conferencing, video projection communication, teleconferencing, computer telephony, administration of computer networks and management of communication networks; interactive electronic computer whiteboards; electronic machines, apparatus and their parts, namely, network routers, computer hardware, wireless telephony apparatus, video projectors, computer peripherals and parts thereof; remote communication devices for video-conferencing, namely, communication hubs, apparatus for transmission of communication, communications servers; video cameras, namely, camcorders; loudspeakers; microphones for telecommunication apparatus; telecommunication devices and apparatus, namely, computer hardware for telecommunications, telecommunications transmitters, telecommunication base stations; panoramic camera; projection screens; photographic instruments and apparatus, namely, cameras, camera lenses, and camera filters; cinematographic instruments and apparatus, namely, cinematographic cameras, cinematographic projectors; optical apparatus and instruments, namely, optical character recognition apparatus, optical disc players, optical sensors, optical transmitters and optical receivers; projectors and their structural and replacement parts; downloadable music files; downloadable image files in the field of video conferencing, video projection communication, teleconferencing, computer telephony, administration of computer networks and management of communication networks; downloadable electronic publications, namely, books, magazines, and newsletters featuring video conferencing, video projection communication, teleconferencing, computer telephony, administration of computer networks and management of communication networks ]