Think 24/7 Web Search

  1. Ads

    related to: make free call from computer to cell phone

Search results

  1. Results from the Think 24/7 Content Network
  2. Google Voice - Wikipedia

    en.wikipedia.org/wiki/Google_Voice

    Google provides free PC-to-PC voice calling worldwide. As described above, Google Voice users in many countries may make low-cost calls to international phone numbers, and currently may also make free PC-to-phone calls within the United States and Canada. Vincent Paquet, a co-founder of GrandCentral who became a senior product manager at Google ...

  3. John Draper - Wikipedia

    en.wikipedia.org/wiki/John_Draper

    John Thomas Draper (born March 11, 1943), also known as Captain Crunch, Crunch, or Crunchman (after the Cap'n Crunch breakfast cereal mascot), is an American computer programmer and former phone phreak. He is a widely known figure within the computer programming world and the hacker and security community, and generally lives a nomadic lifestyle.

  4. Phreaking - Wikipedia

    en.wikipedia.org/wiki/Phreaking

    Phreaking is a slang term coined to describe the activity of a culture of people who study, experiment with, or explore telecommunication systems, such as equipment and systems connected to public telephone networks. [ 1 ] The term phreak is a sensational spelling of the word freak with the ph- from phone, and may also refer to the use of ...

  5. History of videotelephony - Wikipedia

    en.wikipedia.org/wiki/History_of_videotelephony

    By 1930, AT&T's "two-way television-telephone" system was in full-scale experimental use. [7] [20] The Bell Labs' Manhattan facility devoted years of research to it during the 1930s, led by Dr. Herbert Ives along with his team of more than 200 scientists, engineers and technicians, intending to develop it for both telecommunication and broadcast entertainment purposes.

  6. Martin Cooper (inventor) - Wikipedia

    en.wikipedia.org/wiki/Martin_Cooper_(inventor)

    Martin Cooper (born December 26, 1928) is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field. [ 2][ 3] On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola, from a Manhattan sidewalk to ...

  7. Communication during the September 11 attacks - Wikipedia

    en.wikipedia.org/wiki/Communication_during_the...

    According to 9/11 Commission staff statement No. 17 [1] there were several communications failures at the federal government level during and after the 9/11 attacks. Perhaps the most serious occurred in an "Air Threat Conference Call" initiated by the National Military Command Center (NMCC) after two planes had crashed into the World Trade Center, but shortly before The Pentagon was hit.

  1. Ads

    related to: make free call from computer to cell phone