Systems, methods and apparatus are disclosed to prioritize communications in Internet protocol Multimedia Subsystem (IMS) networks. An example method disclosed herein includes receiving a telephone number (TN), locating an ENUM database record for the TN specifying at least one non-IMS destination, receiving...http://www.google.de/patents/US8077701?utm_source=gb-gplus-sharePatent US8077701 - Systems, methods, and apparatus to prioritize communications in IP multimedia subsystem networks
