Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2007-10-30
2007-10-30
Qureshi, Afsar (Department: 2616)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S389000, C370S392000, C370S410000, C379S093260
Reexamination Certificate
active
11490513
ABSTRACT:
An arrangement which includes a telephone and an interface unit, which interfaces the telephone to both a standard switched telephone communications network and an Internet communications network, is disclosed. The interface unit includes an input coupled to the telephone to receive audio information and two output ports configured to be respectively coupled to the standard switched telephone communications network and the Internet communications network. A processing unit couples the audio information received from the telephone to the first output port when the telephonic communication is to be performed using the standard switched telephone communications network. Alternatively, the processing unit processes the audio information received from the telephone in accordance with standard Internet transfer protocols and couples the processed audio information to the second output port when the telephonic communication is to be performed using the Internet communications network and the standard protocols.
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Deierling Kevin E.
Martin Bryan R.
Singh Hardish
8x8, Inc.
Crawford & Maunu PLLC
Qureshi Afsar
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