When did the telephone invent

Telephone: invented by inventor Alexander Graham Bell in 10/ March/ 1876 and then developed by many others.For invention of electric telephone was frequently disputed and controversies over the issue have arisen from time to time. There were several inventors of radio, television, the light bulb, and computer commented and pioneered experimental work on vioce transmission over a wire and improved on each other's ideas.

Innocenzo Manzetti, Antonio Meucci, Johnn Philipp Reis, Elisha Gray, and Thomas Edison have been promoted with pioneering work on telephone to lexander Graham Bell.In 1892, Bell started to test the first telephone from New York to Chicago telephone call.