telephone and cell phone

the telephone often referred as a phone, is a telecomunications device that transmits and receives sound, most commonly the human voice. telephones are a point-to-point communication system whose most basic function is to allow two people separated by large distances to talk to each other. it is one of the most common appliances in the developet world, and has a long been considered indispensable to businesses, households gorvernments.the world "telephone" has been adapted to many lenguages and is widely recognized around the world.

after the telephone came the cell phone is an electronic device used to make mobile telephone calls across. mobile phones differ from cordless telephones, which only offer telephone service within a limeted range of a fixed land line, for example within a home or a office.