METHODS, SYSTEMS, AND COMPUTER PROGRAM PRODUCTS FOR PROVIDING GEOGRAPHICALLY DIVERSE IP MULTIMEDIA SUBSYSTEM (IMS) INSTANCES

摘要

Systems, methods and computer program products for providing geographically diverse Internet protocol multimedia subsystem (IMS) instances. A geographically diverse IMS network element is disclosed herein including an active instance of a first IMS function, being located in a first geographic location, and a standby instance of the first IMS function, being located in a second geographic location different from the first geographic location.