When did the landline telephone and VoIP appear?

Filed in Technology 1 comments





Can anyone tell me the time that the first landline telephone and VoIP appeared?




Posted by RandomCritic   @   27 April 2010 1 comments
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1 Comments

  • joe r

    1875 telephone invented

    1877 first long distance lines installed

    1915 first coast to coast long distance call

    1947 plan devised for cellular telephones

    1951 first transcontenental direct dial long distance call

    1973 first cellular telephone call

    1979 first commercial cell phone service (in tokyo)

    1984 first cell phones commercially available motorola dynatac 8000x

    1991 2G cellular GSM technology launched

    1995 first commercial internet phone software released

    1997 first soft switch

    1999 SIP created

    1999 3g cellular launched

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