Incumbent local exchange carrier

（重定向自I LEC）

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.

单词	I LEC
释义	I LEC 英语百科 Incumbent local exchange carrier （重定向自I LEC） 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.
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