How old is the telephone?
The telephone was patented in 1876 by Alexander Graham Bell, so you could say it's around 135 years old, give or take a few.
A land line telephone uses a pair of copper wires running all the way back to your local telephone exchange ( or central office )to communicate with the telephone system. Where as a cellular telephone uses a radio signal to communicate with your local Cellsite (or communications tower) A land line telephone can be very simple, a call can be made with just a a hand-full of components, a Cellular handset on the other hand…
Alexander bell was born on March 3rd 1847. And on march 7,1876,the U.S.granted him patent for the telephone.and on march 10,1876 he sent first massage in telephone to his assistant that . So he was 29yrs ,4 days old at the time of inventing telephone and he was 28yrs old when he received patent for telegraph(received patent in 1875)