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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. Covert listening device - Wikipedia

    en.wikipedia.org/wiki/Covert_listening_device

    A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, or wiretapping is a common technique in surveillance , espionage and police investigations.

  5. Communications Assistance for Law Enforcement Act - Wikipedia

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

    If a call comes in for a number on the target phone a "conference bridge" is created and the second leg is sent to law enforcement at the place of their choosing. By law this must be outside of the phone company. This prevents law enforcement from being inside the phone company and possibly illegally tapping other phones.

  6. Secure telephone - Wikipedia

    en.wikipedia.org/wiki/Secure_telephone

    Concerns about massive growth of telephone tapping incidents led to growing demand for secure telephones. The practical availability of secure telephones is restricted by several factors; notably politics, export issues , incompatibility between different products (the devices on each side of the call have to use the same protocol), and high ...

  7. Prince Harry – latest news: Duke ‘lost friends’ over Mail ...

    www.aol.com/prince-harry-latest-news-duke...

    In written arguments, barrister David Sherborne said the private investigator targeted her and Mr Grant on behalf of the Mail on Sunday through “phone hacking their phones, landline tapping ...

  8. Secure Terminal Equipment - Wikipedia

    en.wikipedia.org/wiki/Secure_Terminal_Equipment

    Secure Terminal Equipment (STE) is the U.S. government's current (as of 2008), encrypted telephone communications system for wired or "landline" communications. STE is designed to use ISDN telephone lines which offer higher speeds of up to 128 kbit/s and are all digital.

  9. Who still owns a landline phone? You might be surprised at ...

    www.aol.com/still-owns-landline-phone-might...

    Landline cord-cutters: 'The young and the restless' Researchers found that cutting the cord says something about who you are. One trait stood out: The boldness it took to go wireless, at a time ...

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