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The E20 is an entry-level personal videoconferencing system produced by the Norwegian company Tandberg. The E20 was introduced in 2008, and started shipping in Q1 2009. The system is intended as a replacement for traditional office telephones. It features a LCD widescreen, a five-megapixel camera, CD quality audio and DVD-quality video.〔(TANDBERG Now Shipping its E20 Video VoIP Phone ). VoIP Monitor. March 09, 2009〕 As a standards based SIP system, the Tandberg E20 supports MPEG-4 AAC-LD for audio and H.264, H.263+, and H.263 for video.〔(TANDBERG E20 : specification - updated link for 2015 ). VideoCentric. 2015〕 The E20 is compatible with Tandberg's new large-scale provisioning solution, introduced in November 2009.〔(Tandberg Unveils Video Phone Provisioning App ). InformationWeek. November 17, 2009.〕 Tandberg were acquired by Cisco in 2009, and subsequently took over the Tandberg Video Conferencing line, integrating this within the Cisco Telepresence product line. The E20 was migrated to this portfolio, however was made end-of-life in 2012, superseded by desktop solutions such as the (DX70 ) and (DX80 ) product lines. == References == 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「Tandberg E20」の詳細全文を読む スポンサード リンク
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