The present invention is directed to a telephony system that includes a first network and a second network. The system includes a first network call control system configured to provide intelligent network control services to the first network. The first network call control system is also configured...http://www.google.fr/patents/US7388953?utm_source=gb-gplus-shareBrevet US7388953 - Method and system for providing intelligent network control services in IP telephony
Method and system for providing intelligent network control services in IP ...
