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Internet telephone system, access point apparatus, and communication system using access point apparatus and broad-range data communication network

  • US 6,381,318 B1
  • Filed: 05/15/1998
  • Issued: 04/30/2002
  • Est. Priority Date: 05/21/1997
  • Status: Expired due to Fees
First Claim
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1. In an Internet telephone system for allowing a telephone caller to make a telephone call from a caller'"'"'s telephone via a telephone network and the Internet, an access point apparatus which permits the telephone call if the caller'"'"'s telephone has an authorized telephone number and which prevents the call if the telephone number of the caller'"'"'s telephone is not authorized, said access point apparatus comprising:

  • a network interface unit functioning as an interface with the telephone network;

    a calling telephone number detecting unit for detecting the telephone number of the caller'"'"'s telephone, the telephone number of the caller'"'"'s telephone being transmitted to the network interface unit by a switching unit of the telephone network when the telephone caller seeks to initiate the telephone call;

    an individual identifying unit, having a database of authorized telephone numbers, for comparing the telephone number detected by the calling telephone number detecting unit with the authorized telephone numbers and determining whether or not the detected telephone number is one of the authorized telephone numbers; and

    an output unit functioning as an interface with the Internet, wherein the individual identifying unit permits the telephone call to be made via the telephone network and the Internet if the detected telephone number is an authorized telephone number, and otherwise prevents the telephone call, and wherein the access point apparatus further includes means for preventing the telephone call via the telephone network and the Internet if the telephone number of the caller'"'"'s telephone is not detected by the calling telephone number detecting unit.

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