A first access network [500] has a servicing element [525] for servicing a mobile station 105]. A negotiation element [530] negotiates with a second access network [115] for a right for the second access network [115] to provide wireless service to the mobile station [105]. The negotiation comprises...http://www.google.com/patents/US7672671?utm_source=gb-gplus-sharePatent US7672671 - Method and apparatus for enabling operators with operators with unused bandwidth to acquire users
