Telephone History: First Transcontinental Phone Call | Documentary | 1940

Alexander Graham Bell - First Phone Call

10th March 1876: Alexander Graham Bell makes the first successful telephone call to Thomas Watson

The Machines That Built America: Alexander Graham Bell’s Revolutionary Invention (S1) | History

29th July 1914: Successful voice test of the first transcontinental telephone line

The First U.S. Transcontinental Phone Call Overview – October 23, 1915

Telephone Firsts: Transcontinental Phone Call

100th ANNIVERSARY OF FIRST TRANSCONTINENTAL PHONE CALL:

World's First Transcontinental Phone

AT&T Archives: The First Call

Watson Describes Invention of Telephone by Bell

First Call

The First Phone Call - Decades TV Network

The history of the telephone

Learn About the Telegraph and the Telephone

The phones used to make the world's first coast-to-coast conference call 100 year ago have been put

AT&T Archives: The First Call (Bonus Edition)

First Transcontinental Telephone Line

Alexander Graham Bell: The Father of Telephony"

WHEN was the telephone created ??