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  2. Wiretapping - Wikipedia

    en.wikipedia.org/wiki/Wiretapping

    Wiretapping, also known as wire tapping or telephone tapping, is the monitoring of telephone and Internet-based conversations by a third party, often by covert means.The wire tap received its name because, historically, the monitoring connection was an actual electrical tap on an analog telephone or telegraph line.

  3. Telephone keypad - Wikipedia

    en.wikipedia.org/wiki/Telephone_keypad

    A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s – this replaced rotary dialing , that had been developed for ...

  4. Communications Assistance for Law Enforcement Act - Wikipedia

    en.wikipedia.org/wiki/Communications_Assistance...

    The Communications Assistance for Law Enforcement Act (CALEA), also known as the "Digital Telephony Act," is a United States wiretapping law passed in 1994, during the presidency of Bill Clinton (Pub. L. No. 103-414, 108 Stat. 4279, codified at 47 USC 1001–1010).

  5. Secure telephone - Wikipedia

    en.wikipedia.org/wiki/Secure_telephone

    A secure telephone is a telephone that provides voice security in the form of end-to-end encryption for the telephone call, and in some cases also the mutual authentication of the call parties, protecting them against a man-in-the-middle attack. Concerns about massive growth of telephone tapping incidents led to growing demand for secure ...

  6. Network tap - Wikipedia

    en.wikipedia.org/wiki/Network_tap

    A network tap is a system that monitors events on a local network. A tap is typically a dedicated hardware device, which provides a way to access the data flowing across a computer network. The network tap has (at least) three ports: an A port, a B port, and a monitor port. A tap inserted between A and B passes all traffic (send and receive ...

  7. Multi-tap - Wikipedia

    en.wikipedia.org/wiki/Multi-tap

    Multi-tap (multi-press) [1] is a ... Some portable telecommunications devices (such as the BlackBerry) ... Code of Conduct; Developers; Statistics; Cookie statement ...

  8. Fiber tapping - Wikipedia

    en.wikipedia.org/wiki/Fiber_tapping

    Tapping the fiber means that all signals from every communications source being routed through the fiber are presented and must be sorted for relevant data, an immense task when thousands of sources of data or voice may be present. According to reports, the US government used fiber tapping for surveillance following the September 11, 2001 attacks.

  9. Bridge tap - Wikipedia

    en.wikipedia.org/wiki/Bridge_tap

    Bridged tap or bridge tap is a long-used method of cabling for telephone lines. One cable pair (of wires) will "appear" in several different terminal locations (poles or pedestals ). This allows the telephone company to use or " assign " that pair to any subscriber near those terminal locations.

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