Telephone number information system for internet protocol telephony
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United States of America Patent
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Issued Date -
Jan 12, 2006
app pub date -
Dec 8, 2004
filing date -
Jul 12, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Internet Protocol (IP) telephone number information system performs for the telephone number in the existing communication systems. A number information server in the system has a region information database representing an IP telephony service area for each of a plurality of Internet Service Providers (ISPs) having a corporate information database. The number information server specifies one of the plurality of ISPs from the region information database, based on a search condition input from a user terminal connected to the Internet. The specified ISP searches the corresponding corporate information database, and obtains number information matching the search condition. The number information server notifies the user terminal of the number information obtained from searching the corporate information database, in response to the search condition input from the user terminal.
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