Incumbent local exchange carrier

（重定向自ILEC）

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	ILEC
释义	ILEC 英语百科 Incumbent local exchange carrier （重定向自ILEC） 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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