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Telephone transmission extends across and between major cities

By cooldawg143

  • Telephone transmission extends across and between major cities

    Telephone transmission extends across and between major cities
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  • First phone to combine a ringer and handset

    cell Pohnesdont know month or day

  • Direct longdistance calling first available

    Direct longdistance calling first available
    phonesno moth or day

  • First 911 call is made

    no month or day

  • First portable cell phone call is made

    no day or month

  • Public tests of a new cellular phone system

    Public tests of a new cellular phone system
    no month or day

  • Voice Over Internet Protocols

    no month or day

  • 100 million cellular telephone subscribers

    no day or month