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Chida; Susumu
Aichi, JP
No. of patents:

Patent Number Title Of Patent Date Issued
7277530 IP telephone apparatus and IP telephone system October 2, 2007
An IP telephone apparatus having a plurality of types of calling functions including a telephone calling function for telecommunicating via a telephone network and a network calling function for telecommunicating via a computer network. The IP telephone apparatus includes a calling f
7058171 IP telephone apparatus and IP telephone system June 6, 2006
An IP telephone apparatus for executing a telephone call through a computer network. The IP telephone apparatus includes: a main unit; a telephone line connection unit connected to a telephone network; an external telephone connection unit connectable to an external telephone; a dial

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