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  2. 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 .

  3. Dial-up Internet access - Wikipedia

    en.wikipedia.org/wiki/Dial-up_Internet_access

    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]

  4. List of mobile network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_network...

    The top five wireless providers operate nationwide wireless networks which cover most of the population in the United States, while smaller carriers provide native network coverage across selected regions of the United States while supplementing nationwide coverage through roaming agreements with other carriers.

  5. List of United States telephone companies - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    In the following states and regions, the primary local carrier is not an RBOC: Lumen Technologies, in addition to its role as the BOC in the areas of 14 states gained from its acquisition of Qwest, Lumen serves other non-ex-Bell local exchanges in those states, as well as some in Florida and the Las Vegas metropolitan area in Nevada.

  6. PSTN network topology - Wikipedia

    en.wikipedia.org/wiki/PSTN_network_topology

    PSTN network topology is the switching network topology of a telephone network connected to the public switched telephone network (PSTN).. In the United States and Canada, the Bell System network topology was the switching system hierarchy implemented and operated from c. 1930 to the 1980s for the purpose of integrating the diverse array of local telephone companies and telephone numbering ...

  7. Communications in the United States - Wikipedia

    en.wikipedia.org/wiki/Communications_in_the...

    The Public Broadcasting Service is the country's main public broadcasting network, with over 300 non-profit affiliated stations across the United States. Besides the large broadcast networks (which are free for anyone with a TV and an antenna), there are also many networks available only with a subscription to cable or satellite television ...

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