Test of the first Italian automatic telephone exchange of Prati di Castello, Rome (1913)
1849
Antonio Meucci tests the talking telegraph.
1875
Alexander Graham Bell patents an electromagnetic transmitter and receiver for the remote transmission of sounds.
1877
In Milan, the first experimental telephone link and production of telephones under the Bell patent.
1878
The first official telephone call, in the presence of the King, between the Quirinale Palace and the Tivoli telegraph office.
1904
First long distance connection between Milan and Monza.