Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2007-10-02
2007-10-02
Shah, Chirag G. (Department: 2616)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S356000, C370S466000
Reexamination Certificate
active
10780350
ABSTRACT:
Methods and apparatus for allowing a packet data connection to be established by sending an indication of a network address through a telephony path. In a first embodiment, a protocol stack initiates the establishment of an Internet connection by sending a data segment through a public switched telephone network (PSTN) telephony path and then operates and maintains the Internet connection on separate packet connection. Dialing digits are used to indicate the address of a remote computer or wireless device via the telephony path. The invention also enables mixed PSTN/internet multimedia telephone calls. In an exemplary embodiment, when a point-to-point telephone PSTN connection is established, a screen of information automatically appears at one or both ends of the connection via the Internet.
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Dowling Eric M.
Shah Chirag G.
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