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A telephone is a telecommunication device which is used to transmit and receive sound simultaneously. Telephone may also refer to: ==Telecommunications== * Camera phone, a mobile phone that is also able to capture either still photographs or video * Cordless telephone, a telephone with a wireless handset that communicates via radio waves to its base station * Mobile phone, (a.k.a. a 'cell', 'cellphone' or 'mobile') is a wireless telecommunications device used for phone and data calls over a cellular network * Radiotelephone, (a.k.a. a 'radiophone') a telephone that allows two or more people to talk via radio, often referring to an older radio telephone system that predated modern mobile (cellular) phones * Softphone, a software program for making telephone calls over the Internet using computers * Telephone (application), a softphone telecommunication app for Mac OS X, by Alexei Kuznetsov * Tin can telephone, a type of voice-transmitting device usually made from two tin cans and string or wire * Videophone, telephones with video displays, which enable their users to see each other as well in real time 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Telephone (disambiguation)」の詳細全文を読む スポンサード リンク
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