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  2. Enhanced 911 - Wikipedia

    en.wikipedia.org/wiki/Enhanced_911

    Enhanced 911 ( E-911 or E911) is a system used in North America to automatically provide the caller's location to 911 dispatchers. 911 is the universal emergency telephone number in the region. In the European Union, a similar system exists known as E112 (where 112 is the emergency access number) and known as eCall when called by a vehicle.

  3. 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). CALEA's purpose is to enhance the ability of law enforcement agencies to ...

  4. Lawful interception - Wikipedia

    en.wikipedia.org/wiki/Lawful_interception

    Lawful interception is obtaining communications network data pursuant to lawful authority for the purpose of analysis or evidence. Such data generally consist of signalling or network management information or, in fewer instances, the content of the communications. If the data are not obtained in real-time, the activity is referred to as access ...

  5. AT&T Mobility - Wikipedia

    en.wikipedia.org/wiki/AT&T_Mobility

    AT&T Mobility. AT&T Mobility, LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States. AT&T Mobility is the largest wireless carrier in the United States, with 241.5 million subscribers as of December ...

  6. Wireless Communications and Public Safety Act - Wikipedia

    en.wikipedia.org/wiki/Wireless_Communications...

    The Wireless Communications and Public Safety Act of 1999 is a United States federal law enacted as Public Law 106–81 of October 26, 1999. It is also known as the 911 Act. The act required the setup of enhanced 911 and mandated that 911 serve as the emergency number for non-land line phones as well. It was an amendment to the Communications ...

  7. Telecommunications policy of the United States - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_policy...

    The telecommunications policy of the United States is a framework of law directed by government and the regulatory commissions, most notably the Federal Communications Commission (FCC). Two landmark acts prevail today, the Communications Act of 1934 and the Telecommunications Act of 1996. The latter was intended to revise the first act and ...

  8. Law enforcement in the United States - Wikipedia

    en.wikipedia.org/wiki/Law_enforcement_in_the...

    As of 2020, more than 800,000 sworn law enforcement officers have been serving in the United States. About 137,000 of those officers work for federal law enforcement agencies. [1] Law enforcement operates primarily through governmental police agencies. There are 17,985 police agencies in the United States which include local police departments ...

  9. Wiretapping - Wikipedia

    en.wikipedia.org/wiki/Wiretapping

    The contracts or licenses by which the state controls telephone companies often require that the companies must provide access to tapping lines to law enforcement. In the U.S., telecommunications carriers are required by law to cooperate in the interception of communications for law enforcement purposes under the terms of Communications Assistance for Law Enforcement Act (CALEA).