Importance

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Abstract

A communication apparatus properly switches connection by means of a transmission protocol determining section or a reception protocol determining section. In accordance with a transmission request from a telephone or a facsimile machine, the transmission protocol determining section activates either an Internet phone controller or an Internet FAX controller and performs data transmission via either a public switched telephone network interface or a LAN interface. The reception protocol determining section activates either the Internet phone controller or the Internet FAX controller and sends data, received via either the public switched telephone network interface or LAN interface, to the telephone or facsimile machine. With various terminals connected to one another over a LAN, therefore, those individual terminals can be used effectively on an Internet by adaptively connecting telephones, facsimile machines, etc. to the LAN, Internet, public switched telephone network or the like.

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First Claim