Definitions for "Red box"
Keywords:  phreak, fooling, toll, fraud, illegal
A category of subsidies that is forbidden under WTO rules. This terminology is used in the Agriculture Agreement, where however there is no red box. Presumably equivalent to prohibited subsidies.
a device designed to allow a phreak to commit toll fraud by placing free calls and because of this possession of a redbox is illegal in many places
a device that allows someone to make illegal free long-distance phone calls from a pay phone by making sounds that "trick the phone into thinking they've entered enough money for the call