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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Incumbent local exchange carrier ： ウィキペディア英語版 Incumbent local exchange carrier An incumbent local exchange carrier (ILEC), is a local telephone company which held the regional monopoly on landline service before the market was opened to competitive local exchange carriers, or the corporate successor of such a firm. In much of the United States, these were originally Bell System companies, although various regional independents (including GTE) in the US held incumbent monopolies in their respective regions. ==ILECs in the United States== In the United States, these were companies in existence at the time of the breakup of AT&T into the Regional Bell Operating Companies (RBOCs), also known as the "Baby Bells." GTE was the second largest ILEC after the Bells, but it has since been absorbed into Verizon, and RBOC. In some areas, an independent telephone company is responsible for providing local telephone exchange services in a specified geographic area. 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「Incumbent local exchange carrier」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.