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  2. Telephone line - Wikipedia

    en.wikipedia.org/wiki/Telephone_line

    Utility pole with electric lines (top) and telephone cables. Fixed telephone lines per 100 inhabitants, 1997–2007. Cross section of telephone cable of 1,800 twisted pairs, 1922. A telephone line or telephone circuit (or just line or circuit industrywide) is a single-user circuit on a telephone communication system. [1]

  3. Landline - Wikipedia

    en.wikipedia.org/wiki/Landline

    Landline service is typically provided through the outside plant of a telephone company's central office, or wire center. The outside plant comprises tiers of cabling between distribution points in the exchange area, so that a single pair of copper wire, or an optical fiber, reaches each subscriber location, such as a home or office, at the network interface.

  4. Demarcation point - Wikipedia

    en.wikipedia.org/wiki/Demarcation_point

    20th century Bell Canada demarcation point for a single phone line. The spark-gap surge protectors on the left have hex heads for easy removal. Near center, a post is connected to the house's ground. The other two connection points are for tip and ring. A test jack can be attached nearby so the home-owner or tenant can verify whether the inside ...

  5. AT&T to eliminate copper wire phone lines to most users. Who ...

    www.aol.com/t-eliminate-copper-wire-phone...

    AT&T said it plans to eliminate traditional phone landline service in 20 of its 21 states by 2029. ... the most reliable format for calls because the phone lines still work when there is a power ...

  6. Small Business Phone System: A Guide to Service Types ... - AOL

    www.aol.com/small-business-phone-system-guide...

    Traditional phone systems, known as plain old telephone services (POTS), rely on physical phone lines, i.e., copper wires installed by telecom companies. Likewise, on-premises PBX systems require ...

  7. Plain old telephone service - Wikipedia

    en.wikipedia.org/wiki/Plain_old_telephone_service

    Although POTS provides limited features, low bandwidth, and no mobile capabilities, it provides greater reliability than other telephony systems (mobile phone, VoIP, etc.). Many telephone service providers attempt to achieve dial-tone availability more than 99.999% of the time the telephone is taken off-hook.

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