Internet based telephone apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 5, 2005
Grant Date -
N/A
app pub date -
Sep 19, 2000
filing date -
Feb 29, 2000
priority date (Note) -
Expired
status (Latency Note)
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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.
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