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  2. Wiretapping - Wikipedia

    en.wikipedia.org/wiki/Wiretapping

    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. Network interface device - Wikipedia

    en.wikipedia.org/wiki/Network_interface_device

    Network interface device. In telecommunications, a network interface device (NID; also known by several other names) is a device that serves as the demarcation point between the carrier's local loop and the customer's premises wiring. Outdoor telephone NIDs also provide the subscriber with access to the station wiring and serve as a convenient ...

  4. Plain old telephone service - Wikipedia

    en.wikipedia.org/wiki/Plain_old_telephone_service

    Plain old telephone service. Plain Old Telephone Service (POTS), or Plain Ordinary Telephone System, [1] is a retronym for voice-grade telephone service employing analog signal transmission over copper loops. Originally POTS stood for Post Office Telephone Service as early phone lines in most parts of the world were operated directly by the ...

  5. VoIP phone - Wikipedia

    en.wikipedia.org/wiki/VoIP_phone

    Regular mobile phones can connect to this device, and make VoIP calls. While a license is required to run a cellular base station in most countries, these can be useful on ships, or in remote areas where a low-powered gateway transmitting on unused frequencies is likely to go unnoticed. Some VoIP phones and ATAs also support PSTN phone lines ...

  6. Mobile telephony - Wikipedia

    en.wikipedia.org/wiki/Mobile_telephony

    5G (5.25G, 5.5G) 6G. Mobile telecommunications. v. t. e. Mobile telephony is the provision of telephone services to mobile phones rather than fixed-location phones (landline phones). Telephony is supposed to specifically point to a voice-only service or connection, though sometimes the line may blur.

  7. Voice over LTE - Wikipedia

    en.wikipedia.org/wiki/Voice_over_LTE

    Voice over Long-Term Evolution (acronym VoLTE) is an LTE high-speed wireless communication standard for voice calls and SMS using mobile phones and data terminals. [1][2] VoLTE has up to three times more voice and data capacity than older 3G UMTS and up to six times more than 2G GSM. It uses less bandwidth because VoLTE's packet headers are ...

  8. Dial-up Internet access - Wikipedia

    en.wikipedia.org/wiki/Dial-up_Internet_access

    See media help. Dial-up Internet access is a form of Internet access that uses the facilities of the public switched telephone network (PSTN) to establish a connection to an Internet service provider (ISP) by dialing a telephone number on a conventional telephone line which could be connected using an RJ-11 connector. [ 1 ]

  9. Landline - Wikipedia

    en.wikipedia.org/wiki/Landline

    A landline (land line, land-line, main line, fixed-line, and wireline) is a telephone connection that uses metal wires from the owner's premises also referred to as: POTS, Twisted pair, telephone line or public switched telephone network (PSTN). Landline services are traditionally provided via an analogue copper wire to a telephone exchange.

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