Subscriber mobility in telephony systems

Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching

Reexamination Certificate

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Details

C370S353000, C370S354000, C370S355000, C370S356000, C379S088170, C379S220010, C379S221010, C379S211020, C709S203000, C709S204000

Reexamination Certificate

active

07319692

ABSTRACT:
The present invention is directed to a telecommunications system100for routing a contact to a selected address, comprising (a) an input for receiving a contact message comprising a source address and a destination address of a subscriber communication device116associated with a subscriber and (b) mobility agent160for determining whether or not the source address in the contact message corresponds to a proxy server128and, when the source address corresponds to a proxy server128, causing the contact not to be routed to a selected address and, when the source address does not correspond to a proxy server128, causing the contact to be routed to the selected address.

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