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Option bus adapter

  • US 5,349,640 A
  • Filed: 06/24/1993
  • Issued: 09/20/1994
  • Est. Priority Date: 06/24/1993
  • Status: Expired due to Term
First Claim
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1. An option for use with a digital telephone of a type in which options are electrically coupled to the digital telephone by way of an option bus including bus control signals and bus data signals, and wherein the option bus is further coupled to a telephony switch by way of a telephony link and to internal telephone components by way of an internal bus, the option comprising:

  • a data Communication port accessible by an external computing device;

    means for interfacing with the option bus;

    means, coupled to the data communication port and the means for interfacing, for generating data communication signals indicative of telephony signals received from the switch by way of the telephony communication link and for providing the data communication signals to the data communication port;

    means, coupled to the data communication port and the means for interfacing, for receiving data indicative of modified telephony signals from the computing device and for providing the modified telephony signals to the telephone by way of the option bus;

    means for intercepting the telephony signals before they are sent to an internal telephone component to which they are directed and for sending the modified telephony signals to the internal telephone component in their stead.

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