Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2004-08-25
2009-06-16
Phunkulh, Bob A (Department: 2419)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S401000, C379S093010, C379S211020, C379S221010, C455S445000
Reexamination Certificate
active
07548536
ABSTRACT:
A communication system includes a communication network, and an originating telephony device, a target telephony device, and a call manager coupled to the communication network. The call manager signals the target telephony device to indicate an incoming call from the originating telephony device. The call manager includes an alternate number list that identifies at least one alternate telephony device to be signaled in response to the incoming call directed to the target telephony device. The call manager additionally includes one or more mapping tables associating a packet network address with each identified alternate telephony device.
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Alexander John D.
Mcclung Michael H.
Pruski Kenneth P.
Baker & Botts L.L.P.
Cisco Technology Inc.
Phunkulh Bob A
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