Landline

Fixed linefixed-lineland linefixedlandline telephoneFixed TelephonylandlinesFixed line telephonelandline phonelandline telephones
A landline telephone (also known as land line, land-line, main line, home phone, landline, fixed-line, and wireline) is a phone that uses a metal wire or optical fiber telephone line for transmission as distinguished from a mobile cellular line, which uses radio waves for transmission.wikipedia
577 Related Articles

Telephone

phonetelephonesLocal Telephone Service
A landline telephone (also known as land line, land-line, main line, home phone, landline, fixed-line, and wireline) is a phone that uses a metal wire or optical fiber telephone line for transmission as distinguished from a mobile cellular line, which uses radio waves for transmission. In 2003, the CIA World Factbook reported approximately 1.263 billion main telephone lines worldwide.
A traditional landline telephone system, also known as plain old telephone service (POTS), commonly carries both control and audio signals on the same twisted pair (C in diagram) of insulated wires, the telephone line.

Telephone line

phone linelinetelephone cable
A landline telephone (also known as land line, land-line, main line, home phone, landline, fixed-line, and wireline) is a phone that uses a metal wire or optical fiber telephone line for transmission as distinguished from a mobile cellular line, which uses radio waves for transmission.
Telephone lines are used to deliver landline telephone service and Digital subscriber line (DSL) phone cable service to the premises.

Cordless telephone

cordless phonecordless phonescordless telephones
A fixed phone line (a line that is not a mobile phone line) can be hard-wired or cordless and typically refers to the operation of wireless devices or systems in fixed locations such as homes.
"Plain old telephone service" (POTS) landlines are designed to transfer audio with a quality that is just adequate for the parties to understand each other.

Mobile phone

cell phonemobile phonesmobile
A National Health Interview Survey of 19,956 households by the Centers for Disease Control and Prevention released May 4, 2017 showed only 45.9 percent of U.S. households still had landlines, while 50.8 percent had only cell phones.

Voice over IP

VoIPVoice over Internet Protocolvoice-over-IP
Many of the consumer protections which regulators apply to incumbent landline providers, such as restrictions against cutting off subscribers without notice, do not apply to competing communication services such as cable modems and voice over IP.
A telephone connected to a land line has a direct relationship between a telephone number and a physical location, which is maintained by the telephone company and available to emergency responders via the national emergency response service centers in form of emergency subscriber lists.

Smartphone

smartphonessmart phonesmart phones
Almost 60% of those with a mobile had a smartphone.
People frequently have chosen not to get fixed-line telephone service in favor of smartphones.

Last mile

last-milefinal stagefirst-mile
Fixed copper lines have been subject to theft due to the value of copper, but optical fibers make unattractive targets.

Wire

stranded wireInsulated wirewire products
A landline telephone (also known as land line, land-line, main line, home phone, landline, fixed-line, and wireline) is a phone that uses a metal wire or optical fiber telephone line for transmission as distinguished from a mobile cellular line, which uses radio waves for transmission. A fixed phone line (a line that is not a mobile phone line) can be hard-wired or cordless and typically refers to the operation of wireless devices or systems in fixed locations such as homes.

Optical fiber

fiber opticfiber opticsfiber-optic
A landline telephone (also known as land line, land-line, main line, home phone, landline, fixed-line, and wireline) is a phone that uses a metal wire or optical fiber telephone line for transmission as distinguished from a mobile cellular line, which uses radio waves for transmission.

Cellular network

cellularmobile networkcellular networks
A landline telephone (also known as land line, land-line, main line, home phone, landline, fixed-line, and wireline) is a phone that uses a metal wire or optical fiber telephone line for transmission as distinguished from a mobile cellular line, which uses radio waves for transmission. A fixed phone line (a line that is not a mobile phone line) can be hard-wired or cordless and typically refers to the operation of wireless devices or systems in fixed locations such as homes.

Radio wave

radio wavesradioradio signal
A landline telephone (also known as land line, land-line, main line, home phone, landline, fixed-line, and wireline) is a phone that uses a metal wire or optical fiber telephone line for transmission as distinguished from a mobile cellular line, which uses radio waves for transmission.

The World Factbook

CIA World FactbookWorld FactbookCIA Factbook
In 2003, the CIA World Factbook reported approximately 1.263 billion main telephone lines worldwide.

China

People's Republic of ChinaChineseCHN
China had more than any other country at 350 million and the United States was second with 268 million.

United States

AmericanU.S.USA
China had more than any other country at 350 million and the United States was second with 268 million.

United Kingdom

BritishUKBritain
The United Kingdom had 23.7 million residential fixed home phones.

Electric battery

batterybatteriesBattery (electricity)
Fixed wireless devices usually derive their electrical power from the utility mains electricity, unlike mobile wireless or portable wireless, which tend to be battery-powered.

Public switched telephone network

PSTNpublic telephone networktelephone network
The term landline is also used to describe a connection between two or more points that consists of a dedicated physical cable, as opposed to an always-available private link that is actually implemented as a circuit in a wired switched system (usually the public switched telephone network).

Leased line

leased linesInternational Private Leased Circuitleased
So-called leased lines are invariably of the latter type; the implications of a land line in this context are security and survivability.

Survivability

survivable
So-called leased lines are invariably of the latter type; the implications of a land line in this context are security and survivability.

Continent

continentssubcontinentcontinental
There has also been substantial decline of landline phones in Indian subcontinent, in urban and even more in rural areas.

21st century

210021st centuriestwenty-first century
In the early 21st century, the landline telephone has declined due to the advancement of mobile network technology and the obsolescence of the old copper wire networking.

Rural area

ruralcountrysiderural locality
Eventually these metallic networks will be deemed completely out of date and replaced by more efficient broadband and fiber optic landline connections extending to rural areas and places where telecommunication was much more sparse.

Centers for Disease Control and Prevention

CDCCenters for Disease ControlCenter for Disease Control
A National Health Interview Survey of 19,956 households by the Centers for Disease Control and Prevention released May 4, 2017 showed only 45.9 percent of U.S. households still had landlines, while 50.8 percent had only cell phones.

Cable modem

cablecable modemscable internet
Many of the consumer protections which regulators apply to incumbent landline providers, such as restrictions against cutting off subscribers without notice, do not apply to competing communication services such as cable modems and voice over IP.