Landline definition

lăndlīn
Frequency:
A telephone system network connected by wires and cables underground or on poles.
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A telephone connected to such a line.
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Land based. Landline refers to telephone cables buried in the ground or on poles. Contrast with wireless communications such as Wi-Fi, cellular and satellite. The term landline is also used to contrast voice over Internet (VoIP) service, even though VoIP is also land based. See VoIP.
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A traditional telephone connected to the PSTN by a traditional wire (or fiber) local loop that terminates in a fixed location, rather than a cellular mobile telephone connected to a cellular network via radio technology. A cordless telephone is considered part of a landline as the local loop terminates in a fixed base station on the subscriber premises, even though the connection to the base station is wireless. A wireless local loop (WLL) is considered a landline, as it is terrestrial and connects two fixed points. See also local loop and WLL.
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A telecommunications system that uses traditional terrestrial cabled, or conducted, transmission media such as copper or fiber optics, and wireless systems such as microwave, rather than mobile wireless radio technologies such as cellular or, especially, non-terrestrial satellite.
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(by extension) A telephone connected by such a fixed wire, specifically not wireless/mobile.
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An aboveground communications cable on land.
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A traditional telephone line in which a telephone is connected to the public network by cables.
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Telephone service provided by such cables.

I don't have a landline; please call me on my cell phone.

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Any individual telephone line in such a wired network.
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Other Word Forms

Noun

Singular:
landline
Plural:
landlines