Washington, Dec. 8, 2016 — The Federal Trade Commission is providing over $88 million in refunds to more than 2.7 million AT&T customers who had third-party charges added to their mobile bills without their consent, a tactic known as “mobile cramming.â€� The refunds to consumers relate to 2014 settlements with AT&T, and the companies behind two of the cramming schemes, Tatto and Acquinity.