The history of the telephone

A brief history of the telephone
  • Invented in 1876
  • Patented in the US by Alexander Graham Bell
  • The telephone switchboard was also invented in 1876
  • Converts sounds waves into electrical signals
  • 2G networks launched in Finland in 1991
  • 3G or third generation networks introduced in 2001
  • 4G is expected to be launched in 2011
  • 1877 saw the 1st long distance telephone line stretching about 60 miles

The History of the telephone

History of the telephone is a very difficult subject as there was a lot of controversy over who invented what and when.

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