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  2. Landline - Wikipedia

    en.wikipedia.org/wiki/Landline

    Retrieved 12 October 2019. 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 ...

  3. Public switched telephone network - Wikipedia

    en.wikipedia.org/wiki/Public_switched_telephone...

    The public switched telephone network (PSTN) is the aggregate of the world's telephone networks that are operated by national, regional, or local telephony operators. It provides infrastructure and services for public telephony. The PSTN consists of telephone lines, fiber-optic cables, microwave transmission links, cellular networks ...

  4. Telephone line - Wikipedia

    en.wikipedia.org/wiki/Telephone_line

    A telephone line or telephone circuit (or just line or circuit industrywide) is a single-user circuit on a telephone communication system. [1] It is designed to reproduce speech of a quality that is understandable. [2] It is the physical wire or other signaling medium connecting the user's telephone apparatus to the telecommunications network ...

  5. 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 ...

  6. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    Belgium. Belgian telephone numbers consist of three parts: First '0', secondly the "zone prefix" (A) which has one or two digits for landlines and three digits for mobile phones, and thirdly the "subscriber's number" (B). Land lines always have nine digits. They are prefixed by a zero, followed by the zone prefix.

  7. Telephone numbers in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_the...

    Philippine area codes for fixed-line or landline telephones are fixed at two digits, excluding Metro Manila, the province of Rizal and the cities of Bacoor in Cavite and San Pedro in Laguna, which use the area code 2. Some smaller carriers concentrated within a specific geographic area may issue four- or five-digit area codes, but these are ...

  8. Telephone numbers in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_the...

    In the United Kingdom, telephone numbers are administered by the Office of Communications (Ofcom). For this purpose, Ofcom established a telephone numbering plan, known as the National Telephone Numbering Plan, which is the system for assigning telephone numbers to subscriber stations. Telephone numbers are of variable length.

  9. Telephone numbers in China - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_China

    China's mobile telephone numbers were changed from ten digits to eleven digits, with 0 added after 13x, and thus the HLR code became four-digit long to expand the capacity of the seriously fully crowded numbering plan. In 2006, 15x numbers were introduced. In late 2008, 18x and 14x (for data plans or IoT) were introduced.