U.S. patents available from 1976 to present.
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Method of initiating a call feature request

Patent 6504912 Issued on January 7, 2003. Estimated Expiration Date: Icon_subject July 7, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

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Inventor

Application

No. 111302 filed on 07/07/1998

US Classes:

379/88.01, Voice activation or recognition379/93.28, Modulated audio tone379/201.12, Provisioning379/207.11, Service access code379/372, Signal reception at substation704/270.1Speech assisted network

Examiners

Primary: Tsang, Fan
Assistant: Foster, Roland G.

Foreign Patent References

  • 0654 930 EP. 05/12/1995
  • 2 317 782 GB. 04/12/1998

International Classes

H04M 001/64
93.26
93.27
93.28
201
386
219
220
221
207
201.01
201.2
207.02
207.11

Abstract

A method of allowing a telephone network user to initiate a call feature request during an in-progress call using a conventional touch tone telephone with a telephone handset and conventional touch tone telephone keys. The method includes receiving and recognizing a touch tone signal resulting from the user pressing one or more of the telephone keys, recognizing a user spoken predetermined voice command, then interpreting the touch tone signal and voice command as a request for a call feature. The call feature is then provided in accordance with the request

Other References

  • Patent Abstracts of Japan, vol. 1997 No. 7 & JP 09 083633 A (Sony Corp.) Mar. 28, 1997, Receiver
  • Johnston D. Et al., Current and Experimental Applications of Speech Technology for Telecom Services in Eruope, Speech Communication, Elsevier Science Puboishers, Amsterdam, vol. 23, No. 1-2, pp. 5-16 XP00411720
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