AT&T targets copper networks for shutdown

AT&T (NYSE: T) is going to shut down certain copper assets as it moves forward with its ongoing IP network transition, according to an SEC filing. As a result of abandoning these copper assets, AT&T's fourth-quarter 2014 operating results will also include a $2.1 billion noncash charge. AT&T will release its fourth-quarter 2014 earnings on Jan. 27. FierceTelecom has a complete report here.

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