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Remotely actuated two-way speakerphone for use with call-for-help systems

  • US 8,451,984 B2
  • Filed: 07/25/2008
  • Issued: 05/28/2013
  • Est. Priority Date: 07/25/2008
  • Status: Expired due to Fees
First Claim
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1. A method for processing emergency calls made by a person to a central location with an attendant, the method comprising the steps ofproviding a pendent to the person, the pendent comprising a wireless transmitter responsively sending a signal directed to the central location when the pendent is activated by the person, the signal containing an identifier for the person;

  • providing the person with a speakerphone system having a telephone number, a telephone receiver, a speaker, and a control module, the speakerphone system installed in the general proximity of the person, the speakerphone system responsive to a specified caller identification received on a telephone channel;

    activating the pendent by the person to send the signal;

    receiving the signal at the central location;

    determining at the central location, in response to the identifier contained in the signal, the telephone number of the speakerphone system;

    initiating a telephone call to the speakerphone system from a telephone channel having the specified caller identification;

    receiving the telephone call with the specified caller identification by the speakerphone system;

    examining the caller identification of the telephone call by the speakerphone system;

    if the caller identification is equal to the specified caller identification, then in response;

    placing offhook the telephone receiver of the speakerphone system, anddirecting the telephone call to a speaker, wherein a two-way, audible voice path between the speaker of the speakerphone system and the attendant is established;

    otherwise,allowing the telephone receiver of the speakerphone system to ring until the person manually places the telephone receiver offhook.

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