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Rapid response backup system for telecommunications networks

  • US 5,661,779 A
  • Filed: 03/22/1994
  • Issued: 08/26/1997
  • Est. Priority Date: 03/07/1994
  • Status: Expired due to Fees
First Claim
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1. In a telecommunications network, a method for maintaining a telecommunications path between a telecommunications switching location and an emergency response service facility, the telecommunications switching location being coupled to a plurality of telephone transceivers and being capable of coupling each of the plurality of telephone transceivers to the emergency response service facility upon receiving a predetermined request signal from one of the plurality of telephone transceivers, the method comprising the steps of:

  • monitoring at the telecommunications switching location a public switched telephone network trunk providing a first telecommunications path between the telecommunications switching location and the emergency response service facility;

    determining if the first telecommunications path is disrupted;

    in response to determining that the first telecommunications path is disrupted, establishing a second telecommunications path between the telecommunications switching location and the emergency response service facility before receiving the predetermined request signal by one of the plurality of telephone transceivers, the predetermined request signal being a personal emergency voice telephone call;

    continuously maintaining the second telecommunications path; and

    in response to the predetermined request signal by one of the plurality of telephone transceivers, coupling the one telephone transceiver through the second telecommunications path to the emergency response service facility after the steps of establishing and maintaining the second telecommunications path.

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