Phone

phone history

By adam J. c
  • modular telephone cords and jacks

    modular telephone cords and jacks

    modular telephone cords and jacks introduced
    Telephones
  • Bell Labs invented the (call handoff) system for (cellular mobile communication system)

    Bell Labs invented the (call handoff) system for (cellular mobile communication system)

    Amos E. Joel, Jr. of Bell Labs invented the "call handoff" system for "cellular mobile communication system"
    Telephones
  • Period: to

    Telephones

    Telephones
  • AT&T submitted a proposal for cellular phone service

    AT&T submitted a proposal for cellular phone service

    AT&T submitted a proposal for cellular phone service to the U.S. Federal Communications Commission (FCC).
    Telephones
  • Motorola

    Motorola

    Motorola employee Martin Cooper placed the first hand-held cell phone call to Joel Engel, head of research at AT&T's Bell Labs, while talking on the first Motorola DynaTAC prototype.
  • caller id

    caller id

    Kazuo Hashimoto invented Caller ID
  • bell labs

    bell labs

    Bell Labs launched a trial of the first commercial cellular network in Chicago using Advanced Mobile Phone System (AMPS).
    Telephones
  • first nmt phone

    first nmt phone

    World's first NMT phone call in Tampere, Finland.[28]
    Telephones
  • early version of ip created

    early version of ip created

    VoIP - NVP running on top of early versions of IP
    Telephones
  • worlds first fully automatic mobile phone system

    worlds first fully automatic mobile phone system

    The world's first fully automatic mobile phone system NMT is started in Sweden and Norway.
    Telephones
  • British Telephone Sockets system created

    British Telephone Sockets system created

    BT introduces the British Telephone Sockets system.