Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2011-02-08
2011-02-08
Yao, Kwang B (Department: 2473)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
Reexamination Certificate
active
07885253
ABSTRACT:
An improvement in the design and operation of telecommunications networks is described in which when a caller's telecommunication terminal does not know the address of the called party's telecommunications terminal, the caller's telecommunication terminal contacts one Session Initiation Protocol Proxy server after another until the address of the called party's telecommunications terminal is found. Thereafter, one or more of the Session Initiation Protocol Proxy servers that did not have the address of the called party's telecommunications terminal are populated with that information for future use.
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Gilakattula Venkat R
Gilbert Ezra Raphael
Avaya Inc.
DeMont & Breyer LLC
Huq Obaidul
Yao Kwang B
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