Private branch exchange
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…Telephone exchanges for connection within a business establishment include private branch exchanges (PBXs) and centralized extension systems (CESs). … *Some of the terminology used in this article is related to "private branch exchange." Source | Heibonsha World Encyclopedia 2nd Edition | Information |
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…事業所内の交換接続用電話交換機には，構内交換機(PBX。private branch exchangeの略)や事業所集団電話交換機(CES。centralized extention systemの略)がある。… ※「private branch exchange」について言及している用語解説の一部を掲載しています。 出典｜株式会社平凡社世界大百科事典 第２版について | 情報 |
![Yuki [town] - Yuki](/upload/images/67cd131460c14.webp)
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