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Resolution of IP addresses associated with a telephone number utilizing query flags

  • US 7,796,578 B2
  • Filed: 10/04/2005
  • Issued: 09/14/2010
  • Est. Priority Date: 10/05/2005
  • Status: Expired due to Fees
First Claim
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1. A method for obtaining an Internet Protocol (IP) address associated with a telephone number, said method comprising:

  • creating an Electronic Number (ENUM) record comprising;

    a first portion indicative of said telephone number;

    a second portion indicative of a domain name associated with said telephone number; and

    a query flag indicative of a respective query type to be initiated against a domain name system (DNS), the query type including a query for mail exchange resource records, and a query flag indicative of initiating the query for mail exchange resource records being unique to the query for mail exchange resource records as compared to a query flag indicative of another respective query type; and

    querying said DNS with said ENUM record to obtain at least one IP address associated with said telephone number.

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