Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2005-08-09
2010-02-16
Gauthier, Gerald (Department: 2614)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S342000, C370S382000, C370S401000, C379S088170, C379S093010
Reexamination Certificate
active
07664100
ABSTRACT:
A method for a service provider to provide telephone service between a first telephone and a second telephone includes connecting to the first telephone, receiving a request from the first telephone to make a call to the second telephone using a VoIP number, mapping the VoIP number to a PSTN number, determining a modem bank local to the second telephone, connecting to the modem bank, instructing the modem bank to connect to the second telephone using the PSTN number, and routing the call from the first telephone through the modem bank to the second telephone.
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Gauthier Gerald
Hsia David C.
Patent Law Group LLP
SunMan Engineering, Inc.
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