Gaming machines include telecommunication devices, such as telephones, so that calls may be placed to the player of the machine and/or so that calls may be placed from the machine to a remote location. A game includes the opportunity to involve a third party participant located remote from the gaming...http://www.google.de/patents/US7347775?utm_source=gb-gplus-sharePatent US7347775 - Gaming machines with communication links configured to present bonus games