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Method and apparatus for using the control channel in telecommunications systems for voice dialing

  • US 6,236,715 B1
  • Filed: 04/15/1997
  • Issued: 05/22/2001
  • Est. Priority Date: 04/15/1997
  • Status: Expired due to Term
First Claim
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1. A voice-activated dialing method, comprising the steps of:

  • receiving, at a telephone terminal, an audio signal corresponding to a desired destination;

    locally conditioning the audio signal to extract a set of semantic feature characteristics;

    locally forming a feature signal representing the set of semantic feature characteristics corresponding to the received audio signal;

    transmitting the feature signal via a control channel to a remote speech recognition processor;

    retrieving, with the remote speech recognition processor, a name corresponding to the feature signal;

    retrieving a telephone number corresponding to the retrieved name; and

    automatically dialing the number retrieved.

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