First official transcontinental telephone call takes place 100 years ago today (Jan 25 1915)


Video: 'Telephone Firsts: Transcontinental Phone Call'

(Monday, January 25, 1915) — America’s first official transcontinental telephone call took place today as Alexander Graham Bell, who was in New York, spoke to his former assistant, Thomas Watson, who was in San Francisco, over a line set up by American Telephone & Telegraph.