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A missed call is a telephone call that is deliberately terminated by the caller before being answered by its intended recipient, in order to communicate a pre-agreed message without paying the cost of a call. For example, a group of friends may agree that two missed calls in succession means "I am running late". The practice is common in South Asia, the Philippines and Africa. In Bangladesh, missed calls make up 70% of cellular network traffic. The Cellular Operators Association of India, COAI, has instituted a study to understand the revenue implications of missed calls in India.〔(【引用サイトリンク】title=Missed call ends in missing revenue )〕 Industry estimates of loss of revenue due to this social phenomenon were between 20〔(【引用サイトリンク】title=Etiquettes go missing in missed calls! )〕 to and 30%, in 2007.〔(【引用サイトリンク】title=Missed call virus bugs telecom firms! )〕 Some companies offer information services which are accessed by making a missed call to a particular number, causing an automated system to return the call and deliver a pre-recorded message. The culture of the missed call has also been used by political parties like the Aam Aadmi Party as a call to action to drive membership.〔http://www.bbc.com/news/world-asia-india-26028381〕 To "miss call", in the Philippine-adapted form ''miskol'', was declared the Word of the Year in 2007 at a language convention held in the University of the Philippines Diliman.〔 〕 Equivalents in other places are to ''drop call'' in the US, to ''beep'' in Africa,〔()〕 to ''prank'' in England and Australia.〔:wiktionary:prank〕 and to ''flash'' in Nigeria. ==Social usage== * Two missed calls can mean "I am running late".〔 * Friends misscall a member of their group who was unable to join them that evening to convey "we're missing you".〔 * In Syria, five missed calls in rapid succession means "I am online, let's chat".〔 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「missed call」の詳細全文を読む スポンサード リンク
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