Apparatus and method for dual mode phone

Details Apparatus and method for dual mode phone Apparatus and method for dual mode phone

2003-09-05

2008-12-09

Gauthier, Gerald (Department: 2614)

Telephonic communications

Substation or terminal circuitry

Conversion of signal form

C370S353000, C370S494000, C455S445000

Reexamination Certificate

active

07463731

ABSTRACT:
A dual mode packet phone is provided, comprising a first connector to connect the phone with a data network, and a second connector to connect the phone with a backup network. The phone automatically switches between the data and backup networks in the event that the data network fails to process the call in a timely manner. In a preferred embodiment, the phone is a Voice-over-IP phone, and comprises a voice processing unit, a control unit, a line interface, a data network interface, and a backup switch.

REFERENCES:
patent: 6614786 (2003-09-01), Byers
patent: 6741835 (2004-05-01), Pulver
patent: 6956943 (2005-10-01), Goodrich, II et al.
patent: 7257126 (2007-08-01), Hirano et al.
patent: 7352856 (2008-04-01), Matsuhashi et al.
patent: 2007/0047730 (2007-03-01), Bremer et al.

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