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Multiple party telephone control system with random dialing for polling

  • US 5,185,787 A
  • Filed: 02/07/1992
  • Issued: 02/09/1993
  • Est. Priority Date: 06/26/1989
  • Status: Expired due to Term
First Claim
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1. A multiple-party control system for use with a telephone facility to interface a primary terminal with a multiplicity of remote terminals through said telephone facility, said system comprising:

  • a random digit dialer unit for providing random dialing signals to said telephone facility to establish communication with a plurality of connected terminals;

    preliminary structure to provide vocal information to callers at connected terminals;

    gang holding structure for collectively communicating with persons at said connected terminals collectively as a group; and

    switch means for initially coupling individual connected terminals to said preliminary structure during an engagement phase of operation, subsequently connecting said connected terminals to said gang holding structure during a pending phase of operation and thereafter connecting said gang holding structure to said primary terminal for collectively receiving unilateral voice communication.

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