A system and method that allows a mobile device to register for IMS services while the
mobile device is roaming in a visited telecommunications network is disclosed. The system …

Methods, systems, and computer program products for clustering and communicating
between Internet protocol multimedia subsystem (IMS) entities and for supporting database …

Methods, systems, and computer readable media for multi protocol stateful routing are
provided. One method of rout ing is performed at a multi-protocol stateful router and includes …

The subject matter described herein includes methods, systems and computer readable
media for using a Diameter routing agent (DRA) to obtain mappings between mobile …

US 2014/O258423 A1 Sep. 11, 2014 Related US Application Data Division of application
No. 13/192,410, filed on Jul. 27, 2011, now Pat. No. 9,059,948, which is a continuation of …

(57) ABSTRACT A method for access network signaling protocol interwork ing for user
authentication includes receiving, from a node in an access network, a message formatted …

Methods, systems, and computer readable media for provid ing a home subscriber server
(HSS) proxy are disclosed. According to one aspect, the Subject matter described herein …

Methods, systems, and computer readable media for sharing identification information of
network nodes in an IMS network are disclosed. One method includes determining, by a …

A method for access network session correlation for policy control includes detecting a
remote authentication dial in user service (RADIUS) access session for a user device …

The subject matter described herein includes methods, systems, and computer readable
media for access network protocol interworking and authentication proxying. One method …