Communication apparatus and control method thereof

Details Communication apparatus and control method thereof Communication apparatus and control method thereof

2004-01-21

2008-10-14

Smith, Creighton H (Department: 2614)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S386000

Reexamination Certificate

active

07436819

ABSTRACT:
The present invention aims at providing a communication apparatus accommodating both a LAN line or a broadband line and an ordinary public network (PSTN) so as to enable the simultaneous use of two lines according to two network connection methods by using a single physical line capable of accommodating the high-speed line and the public network.There are provided an IP phone having an interface for connection to an Internet line and an analog telephone having an interface for connection to a PSTN line. A control section selects an Internet telephone or a public network telephone to be used. While one telephone line is busy, the other idle line is used for communication.

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patent: 2004/0001501 (2004-01-01), Delveaux et al.
patent: 2006/0153108 (2006-07-01), Nakajima

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