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Remote access telephone control system

  • US 4,893,335 A
  • Filed: 03/20/1986
  • Issued: 01/09/1990
  • Est. Priority Date: 09/14/1984
  • Status: Expired due to Term
First Claim
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1. A telephone control system connected between a telephone line and a local telephone station, said system comprising:

  • a decoder for determining numbers being dialed by said local station and outputting information signals corresponding thereto;

    a dialer selectively placing on said telephone line dialing signals corresponding to digit identifying signals;

    processor means receiving the information signals from said decoder, said processor means examining information signals corresponding to numbers being dialed, determining if said information signals have a predetermined value, recording the information signals for numbers being dialed at least up until the time that said processor means determines if a call over said telephone line is being attempted and, in response to said processor means determining that a call over said telephone line is being attempted and within a period thereafter that is independent of the rate of subsequently dialing digits, outputting to said dialer digit identifying signals corresponding to the information signals recorded by said processor means at least up until the time that said processor means has determined that a call over said telephone line is being attempted thereby placing dialing signals corresponding to said information signals on said telephone line; and

    a switch actuatable to a first position in which said telephone station is connected to said telephone line, said switch being actuated by said processor means to said first position responsive to said processor means determining that a call over said telephone line is being attempted and after said processor means has outputted to said dialer the digit identifying signals corresponding to all information signals recorded in said processor means prior thereto, whereby after said switch has been activated to said first position, said dialing signals are thereafter placed on said telephone line in real time as they are generated by said local telephone station.

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