에이티앤티(AT&T) - Be Sensible

With the American consumer's new ability to purchase phones outright, AT&T and the Bell System lost the considerable revenues earned from phone leasing by local Bell companies. Forced to compete with other manufacturers for new phone sales, the aging Western Electric phone designs still marketed through AT&T failed to sell, and Western Electric eventually closed all of its U.S. phone manufacturing plants. AT&T, reduced in value by about 70%, continued to run all its long distance services through AT&T Communications (the new name of AT&T Long Lines), although it lost some market share in the ensuing years to competitors MCI and Sprint Corporation.
From http://en.wikipedia.org/wiki/American_Telephone_and_Telegraph