Neustar, Inc.

Ran Makavy

Sharon Fridman

Ben Volach

Thomas C Ely

I-Hsiang Yu

Brian S Rosen

A system and method are disclosed for communicating messages between users that use different messaging services. A message from a user communication device is communicated to a remote user communication device using a first messaging service. The remote user communication device communicates messages using a second messaging service. The message from the user communication device is routed to a messaging interface gateway in accordance with configuration information associated with the remote user communication device. The message is routed from the messaging interface gateway to a messaging server associated with the remote user communication device. The messaging server is configured to use the second messaging service. The message is delivered to the remote user communication device using the second messaging service.

System and method for short message service and instant messaging continuity

Exemplary embodiments of the present invention are directed to a system and method for user identity portability in communication systems. The present invention can provide user identity portability across communication networks that do not necessarily impose a phone number as the identity, addressing, or routing identifier. According to exemplary embodiments, a user identified by any suitable user identifier can switch network operators (e.g., from operator A to operator B) and retain their user identifier. For example, an identity server can support reverse lookup ENUM usage for URI and other identity correlation. Thus, all communication contacts that the user had while with operator A can seamlessly continue communications with the user even after the user switches to operator B.

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Sterling, VA, United States of America

Ran Makavy