[logo] Telephones and Telecommunications

[touch-tone phone]
From Stentor
That's an amazing invention, but who would ever want to use one of them?
U.S. President, Rutherford B. Hayes (1822-1893) commenting on the telephone.

How Does the Telephone System Work?
North American Numbering Plan, explained by AT&T
Routing Calls through the Network, from BrainSpin at AT&T Labs
Glossary of communication and networking terms, from Lucent Technologies
Bell Canada's Guide to Inside Wire
How Telephones Work from How Stuff Works
 

[Watson come here]
From AT&T
Historic Perspective:
Chronolog of telephone innovations, from AT&T Labs
The Telephone, in Technology in America, by PBS
"Who was Alexander Graham Bell?" from AT&T
Alexander Graham Bell's Path to the Telephone
-- Invention and Design: Telephone module
 

[old phone]
From Sarnoff Research Lab
Telecommunication Resources:
MacKie-Mason's Telecom Information Resources on the Internet
Telecommunications Act of 1996
SCEN103 List of Links - Communications Decency Act

Back to SCEN103 Home Page.
Comments, suggestions, or requests to ghw@udel.edu.

"http://www.physics.udel.edu/~watson/scen103/less-phone.html"
Phone cord from NYTimes, 12/11/96
Ringing phone from AT&T Labs
Last updated March 1, 1999.
Copyright George Watson, Univ. of Delaware, 1996.