Internet based telephone apparatus

Details Internet based telephone apparatus Internet based telephone apparatus

2005-04-05

2005-04-05

Sam, Phirin (Department: 2661)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S352000

Reexamination Certificate

active

06876648

ABSTRACT:
An internet based telephone apparatus for embodying a telephone-to-telephone type of internet based telephone, the apparatus having a gateway function where a communication is possible between a general telephone connected via PSTN with another internet based telephone connected through internet network without separate internet telephone gateway installed between the internet network and PSTN, and a dual channel communication function where a communication is possible by being connected to a third internet based telephone when there is a communication connection between a general telephone connected via PSTN and a second internet based telephone connected through internet network.

REFERENCES:
patent: 5654957 (1997-08-01), Koyama
patent: 5742596 (1998-04-01), Baratz et al.
patent: 6389119 (2002-05-01), McBride

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