(EN) Telephone set providing for telephone communications and cleaning and disinfecting the speaking and hearing areas of the earpiece or microphone, made of plastic, and comprising inside of the telephone case the components of a mechanical system providing for said cleaning and which is comprised of a cassette cartridge (similar to photographic cassettes) with two reels: a supply reel on which is wound a cleaning cloth impregnated with disinfectant liquid and a receiving reel to which the cleaning cloth is wound after it has passed through the cleaning window provided at the location of speaking and hearing areas of the earpiece or microphone, which areas are cleaned by friction with the cleaning cloth which is displaced manually or electrically from one reel to the other reel. The cassette is either of the disposable type or of the continuous use type. The quality of life is improved by preventing contamination by diseases.