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The first telephone
The first telephone was invented and registered as a patent by Alexander Graham Bell, in USA. On the 7 of March -
The first telephone company
Since that moment began the commercial progress of the invention. The first telephone company was “Bell Telephone company” that it was set up on the 9 of july -
The claim of the product
The claim of the product, the Bell company gave 5 licenses to other different companies to produce this equipment. -
The first dial telephone
The first dial telephone was invented in 1905 -
the first transcontinental phone
Bell and Walson make the first transcontinental phone call, between New York and San Francisco.Using a network of operators. -
The first public video telephone
The world's first public video telephone service was developed by Dr. Georg Schubert, linking Berlin to Nuremberg, Munich and hamburg. -
The first telephone to have a ringer
The first telephone to have a ringer installed the model
