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Providing assistance to a mobile telephone subscriber travelling from a location to a desired location

  • US 5,737,700 A
  • Filed: 08/30/1996
  • Issued: 04/07/1998
  • Est. Priority Date: 04/28/1994
  • Status: Expired due to Term
First Claim
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1. In a method of providing assistance to a mobile telephone subscriber, the assistance taking the form of spoken directions to the subscriber guiding the subscriber in travelling from a present location of the subscriber to a desired location, an improvement comprising:

  • connecting the subscriber to a first human directory assistance operator;

    determining a route from the present location to the desired location;

    voicing to the subscriber directions corresponding to a first part of the route;

    placing the subscriber on hold;

    monitoring the subscriber connection for a predetermined DTMF signal issued by the subscriber;

    detecting said predetermined DTMF signal;

    reconnecting the subscriber to a second human directory assistance operator, different than the first human directory assistance operator, upon said detection of the DTMF signal;

    transferring to said second human directory assistance operator a pointer to a database record established by the first human directory assistance operator, wherein said second operator has access to the database record accessed by the first human directory assistance operator; and

    voicing to the subscriber directions corresponding to a second part of the route;

    wherein the subscriber can summon operator assistance as needed while travelling along the route.

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