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Telecommunications system for accessing subscriber premises equipment using ring suppression

  • US 5,737,400 A
  • Filed: 02/27/1996
  • Issued: 04/07/1998
  • Est. Priority Date: 02/27/1996
  • Status: Expired due to Fees
First Claim
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1. A method of accessing one of a telephone and a data communication device from a remote data communication system via a telephone line extending to a subscriber'"'"'s premises from a telecommunications network, comprising the steps of:

  • operating a switching device connected to said telephone line to open circuit said telephone line between said telecommunications network and said telephone;

    receiving a first ring signal and caller identification data from said network, said caller identification data corresponding to said remote data communication system and being generated after said first ring signal, said telephone being prevented from receiving said first ring signal by said switching device;

    determining from said caller identification data to which one of said telephone and said data communication device said call is directed;

    operating said switching device to complete a circuit in said telephone line between said telecommunications network and said telephone if said call is directed to said telephone;

    receiving a second ring signal from said network, said second ring signal being provided to said telephone line via said switching device; and

    regenerating said caller identification data to supply said caller identification data to said telephone line after said second ring signal if said call is directed to said telephone.

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