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Proxy VAT-PSTN origination

  • US 6,005,859 A
  • Filed: 12/19/1996
  • Issued: 12/21/1999
  • Est. Priority Date: 12/19/1996
  • Status: Expired due to Term
First Claim
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1. A method for enabling communications between a computer having a VAT application program installed thereon and a telephone via a combination of a wide area data network (WAN) and a public switched telephone network (PSTN), the method comprising:

  • prompting a user at said computer to use said computer to enter a telephone number identifying said telephone;

    responsive to entry of said telephone number, encoding said telephone number as a VAT control message;

    providing the VAT control message to a first controller connected between said computer and said WAN,decoding the VAT control message in said WAN to retrieve the telephone number;

    providing the decoded telephone number to a second controller connected between said WAN and the PSTN, the PSTN being connectable to said telephone;

    originating, from said first controller, a call to said VAT application program installed on said computer; and

    awaiting answer of said call by a user at said computer; and

    responsive to said call being answered, completing said call to the PSTN and to the telephone.

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