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Telephone Timeline

By maysonelwede
  • 1950s telephone

    1950s telephone

    1950 February march 15th marks the introduction of the step-by-step dial PBX 740E.
  • 1980s telephone

    1980s telephone

    In 1877 and 1878, Edison invented and developed the carbon microphone used in all telephones along with the Bell receiver until the 1980s.
  • 1990 Telephones

    1990 Telephones

    1990s, the majority of homes in the world that had telephones had a landline phone.
  • 2000 telephone

    2000 telephone

  • 2010 telephones

    2010 telephones

    4G is the fourth generation of cellular wireless standards. It is a successor to the 3G and 2G families of standards.