DALLAS--(BUSINESS WIRE)--AT&T Inc. (NYSE:T) today reported solid fourth-quarter results with adjusted consolidated revenues up 4.5 percent, strong wireless net adds, record postpaid gross adds and upgrades and adjusted wireline revenue growth. “Over the last year, we’ve made several moves to significantly transform our business for the future,” said Randall Stephenson, AT&T chairman and CEO. “Our transactions with DIRECTV and Mexican wireless companies Iusacell and Nextel Mexico will ma