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Automated attendant with direct inward system access

  • US 4,955,047 A
  • Filed: 05/02/1989
  • Issued: 09/04/1990
  • Est. Priority Date: 03/26/1984
  • Status: Expired due to Term
First Claim
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1. Apparatus for connecting an outside caller to an extension of a local exchange having a direct inward system access (DISA) feature, comprising:

  • a processor;

    a memory coupled to said processor storing at least one predetermined security code;

    a dialing information receiver controlled by said processor for receiving dialing information including a group code input from an outside caller;

    a memory coupled to said processor and said receiver for storing said dialing information, and storing second dialing information including the extension number of said extension, said processor operable to correlate said dialing information with said second dialing information; and

    a transmitter coupled to said processor and said local exchange for transmitting said security code and second dialing information to said local exchange.

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