FILE-This May 6, 2012, file photo, shows an AT&T sign at a store in New York. AT&T is seeing declining smartphone sales, leading to the best profitability ever in its wireless arm as it saves on phone subsidies. The largest telecommunications company in the U.S. says it activated 5.1 million smartphones in its latest quarter, down from 5.5 million in the same period a year ago. (AP Photo/CX Matiash, File)Telecommunications companies have begun releasing their earnings reports for the latest quarter. Here is a summary of reports for selected telecommunications companies and what they reveal about their own and the industry's prospects.

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