Game players interact with a game system using mobile devices, such as mobile telephones, without violating the Federal Wire Act. The game system ensures that a player is within the same state as the game system, with which the player interacts. A player's inputs may be associated with a fixed-location...http://www.google.fr/patents/US20070249420?utm_source=gb-gplus-shareBrevet US20070249420 - Localized Telephone Gaming System
