Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2008-07-29
2008-07-29
Nguyen, Duc M. (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S554200, C455S414100, C455S555000, C379S088220, C379S088230, C379S088250, C379S088270, C370S328000, C370S329000, C370S340000, C370S465000, C370S493000
Reexamination Certificate
active
07406330
ABSTRACT:
An IP PBX system that serves enterprise telephones via a landline IP network connection is be expanded to serve cellular wireless communication devices (WCD) via a cellular wireless carrier's radio access network (RAN). Calls to and from the cellular WCD are connected through the cellular carrier's RAN and the IP PBX system, so that the IP PBX system can control and manage the calls just as the IP PBX would control and manage calls involving other extensions on the IP PBX. A cellular WCD thereby becomes an IP PBX client station, i.e., an extension on the IP PBX system. As such, the cellular WCD can seamlessly benefit from many of the same IP PBX features that other more conventional IP PBX client stations (e.g., desk phones) enjoy.
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McConnell Von K.
Paczkowski Lyle W.
Phillips Jeffrey F.
Weaver Farni
Weiland Dorene
Nguyen Duc M.
Nguyen Khai
Sprint Spectrum L.P.
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