Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2011-01-18
2011-01-18
Abelson, Ronald (Department: 2476)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S494000, C375S220000, C375S221000, C375S222000
Reexamination Certificate
active
07873031
ABSTRACT:
Certain exemplary embodiments provide a method, comprising: receiving, at a subscriber interface line card, an analog signal from a POTS subscriber loop circuit; quantizing the analog signal into a plurality of digital samples; encoding the plurality of digital samples via codec instructions running on a digital signal processor installed on the subscriber interface line card; and converting, via conversion instructions running on the digital signal processor, the encoded plurality of digital samples to a plurality of VoATM packets.
REFERENCES:
patent: 7535891 (2009-05-01), Barzegar et al.
Barzegar Farhad
Gerszberg Irwin
Hill Thomas W.
Mollica Scott J.
Abelson Ronald
Akerman & Senterfitt
AT&T Intellectual Property II L.P.
Dixon Michael K.
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