Telephone: Difference between revisions

Revision as of 21:15, 13 November 2006

Revision as of 21:20, 13 November 2006

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[[Image:Phone handset.jpeg|thumb|A telephone [[handset]]]]

The '''telephone''' or '''phone''' is a [[telecommunication]]s device which is used to [[transmitter|transmit]] and receive [[sound]] (most commonly [[Human voice|voice]] and speech) across distance. Most telephones operate through transmission of [[Signal (information theory)|electric signals]] over a complex [[public switched telephone network|telephone network]] which allows almost any phone user to communicate with almost any other. The telephone now a deeys ony costs telve dollers.

==Introduction==