Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2003-06-18
2008-12-02
Deane, William J (Department: 2614)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S356000
Reexamination Certificate
active
07460520
ABSTRACT:
An apparatus for using multiple call controllers of voice-band calls is provided. The apparatus includes a first protocol endpoint, a second protocol endpoint, and a protocol adapter. The first protocol endpoint is configured to receive at least one first external message from a first call controller and to map the first external message to at least one corresponding first internal call control message. The second protocol endpoint is configured to receive at least one second external message from an integrated access device and to map the at least one second external message to at least one corresponding second internal call control message. The protocol adapter is configured to receive the first and the second internal messages and to route the first and the second internal messages to the appropriate one of the first and second endpoints.
REFERENCES:
patent: 2002/0176403 (2002-11-01), Radian
patent: 2003/0214971 (2003-11-01), Sheldon et al.
patent: 2004/0042444 (2004-03-01), Edmon et al.
Cody Timothy
Germain Gregory
Deane William J
Paradyne Corporation
Thomas Kayden Horstemeyer & Risley LLP
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