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Internet Protocol – For example, H.323 and SIP. POTS (plain old telephone service) – the common two-wire interface used in most homes. This is cheap and effective and allows almost any standard phone to be used as an extension. proprietary – the manufacturer has defined a protocol.
Plain old telephone service (POTS), or publicly offered telephone service, [1] is a retronym for voice-grade telephone service that employs analog signal transmission over copper loops.
One brief practice was when the successive toll-free area codes were introduced (888, 877, 866, etc.), a business word or phrase would actually use one or more of the numbers in the area code. Examples of this were Rent-A-Wreck (1-87-RENT-A-WRECK or 1-US-RENT-A-WRECK), Speedpass (1-87-SPEEDPASS), and one of the first Vonage numbers (1-VONAGE ...
Terminating a leased line with two routers can extend network capabilities across sites. Leased lines were first used in the 1970s by enterprise with proprietary protocols such as IBM System Network Architecture and Digital Equipment DECnet, and with TCP/IP in University and Research networks before the Internet became widely available.
Spokeo analyzed landline usage across the U.S., using National Center for Health Statistics data to identify the states with the most homes dependent on landlines.
Telephone lines are used to deliver landline telephone service and digital subscriber line (DSL) phone cable service to the premises. [3] Telephone overhead lines are connected to the public switched telephone network.
Landline cord-cutters: 'The young and the restless' Researchers found that cutting the cord says something about who you are. One trait stood out: The boldness it took to go wireless, at a time ...
Subscriber names are generally listed in alphabetical order, together with their postal or street address and telephone number.In principle every subscriber in the geographical coverage area is listed, but subscribers may request the exclusion of their number from the directory, often for a fee; their number is then said to be "unlisted" (US and Canada), "ex-directory" (British English), or ...