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  2. Landline - Wikipedia

    en.wikipedia.org/wiki/Landline

    The United Kingdom had 23.7 million residential fixed home phones. [2] A 2013 International Telecommunication Union report showed that the total number of fixed-telephone subscribers in the world was about 1.26 billion. [3] In many parts of the world, including Africa and India, the growth in mobile phone usage has outpaced that of landlines.

  3. Telephone line - Wikipedia

    en.wikipedia.org/wiki/Telephone_line

    Fixed telephone lines per 100 inhabitants, 1997–2007. Cross section of telephone cable of 1,800 twisted pairs, 1922. A newer telephone cable used to carry telephone lines from several customers. A telephone line or telephone circuit (or just line or circuit industrywide) is a single-user circuit on a telephone communication system. [1]

  4. Public switched telephone network - Wikipedia

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

    Originally a network of fixed-line analog telephone systems, the PSTN is now predominantly digital in its core network and includes terrestrial cellular, satellite, and landline systems. These interconnected networks enable global communication, allowing calls to be made to and from nearly any telephone worldwide. [1]

  5. List of telecommunications companies in the Americas

    en.wikipedia.org/wiki/List_of_telecommunications...

    37.2 Fixed-line operators ($1 to $10 billion annual revenues) 37.3 Fixed line operators ($100 million to $1 billion annual revenues) 37.4 Fixed line operators (less than $100 million annual revenues)

  6. Telephone - Wikipedia

    en.wikipedia.org/wiki/Telephone

    Modern telephones exist in various forms and are implemented through different systems, including fixed-line, cellular, satellite, and Internet-based devices, all of which are integrated into the public switched telephone network (PSTN). This interconnected system allows any telephone, regardless of its underlying technology or geographic ...

  7. Local number portability - Wikipedia

    en.wikipedia.org/wiki/Local_number_portability

    Local number portability (LNP) for fixed lines, and full mobile number portability (FMNP) for mobile phone lines, refers to the ability of a "customer of record" of an existing fixed-line or mobile telephone number assigned by a local exchange carrier (LEC) to reassign the number to another carrier ("service provider portability"), move it to another location ("geographic portability"), or ...

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