A system and method are described whereby interoperability is facilitated in a 3GPP network environment in combination with DIAMETER policy controls. Such interoperability enables updated policy rules to be fully communicated in on-line charging situations where quota expirations occur. This invention...http://www.google.com/patents/US7937300?utm_source=gb-gplus-sharePatent US7937300 - System and method for providing interoperability between diameter policy control and charging in a 3GPP network
