Alexander Graham Bell is credited with the invention of the first practical "electrical
speech machine", which we now call the "telephone", in 1876.
By 1878, Bell had set up the first telephone exchange in New Haven, Connecticut.
By 1884, long distance connections were made between Boston, Massachusetts and
Alexander Graham Bell.
Yes Alexander Graham Bell invented the telephone in 1876.
About 1860 to 1880
He made the first telephone
William McKinley is the first who was reported to make campaign calls.