Scientific, electric, photographic, measuring, signalling, checking (supervision), life-saving apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; telephones, intercoms, video intercoms; bells; closed-circuit television and video-surveillance systems and apparatus; television sets, television cameras, monitors, control stations; image digitisers, video selectors, video modules, video matrices, multiplexers; parts and fittings therefor; infra-red searchlights; magnetic data carriers, recording discs; calculating machines, data processing equipment and computers; all these products being addressed to telecommunication inside buildings and/or, respectively, for the remote control of buildings and remote switching of apparatus placed inside buildings

Telecommunication services inside buildings and/or telecommunication services for remote measuring, signalling, checking, life-saving inside buildings