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Automated directory assistance call completion and calling number delivery system

  • US 5,613,006 A
  • Filed: 11/18/1994
  • Issued: 03/18/1997
  • Est. Priority Date: 11/18/1994
  • Status: Expired due to Fees
First Claim
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1. A method of automatically completing a call to a person to be contacted and then disclosing to said person to be contacted a directory telephone number with a corresponding name (DN) of a calling party wishing to converse with said person to be contacted when said calling party calls a directory assistance (DA) operator to request a phone number of said person to be contacted and asks that said call be completed automatically, comprising the steps of:

  • (a) responding by an interactive audio response unit (IARU) of a tandem switch serving said DA operator to information received from said DA operator relating to said person to be contacted by searching an associated data base to find a phone number which corresponds to said information received from said DA operator and, when said phone number is found and determined to be listed or unlisted, then providing to said calling party an appropriate recorded message;

    (b) said tandem switch determining whether a predetermined digit or a voice response has been received in response to the recorded message;

    (c) said tandem switch then retrieving from the associated data base said phone number of said person to be contacted and, upon translating area and office codes of said phone number into appropriate routing information to select a trunk line which is an appropriate route to a terminating central office, then transmitting said DN of said calling party to said terminating central office if said digit or said voice response has been received;

    (d) said terminating central office serving said person to be contacted responding to said DN of said calling party from said tandem switch by connecting to said person to be contacted idle telephone line and sending ringing signals;

    (e) said terminating central office then transmitting said DN of said calling party to an apparatus at said person to be contacted station during a silent interval between a first and a second ringing signal; and

    (f) said apparatus at said person to be contacted station receiving, displaying and storing said DN of said calling party from said terminating central office during said silent interval between said first and said second ringing signal.

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