Method and apparatus for providing distributed SLF routing...

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header

Reexamination Certificate

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C370S400000, C455S435100

Reexamination Certificate

active

07453876

ABSTRACT:
A routing technique for supporting an internet protocol (IP) Multimedia Subsystem (IMS) Subscriber Locator Function (SLF) is provided. It is, in part, based on using a user's identification information, e.g. a user's realm, to facilitate the routing of information. This technique enables the implementation of a distributed subscriber location function (SLF) in an IMS network. The subscriber locator function (SLF) ultimately allows for accommodation of more users through multiple home subscriber service (HSS) elements.

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