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Wireless phone-interface device

  • US 7,054,414 B2
  • Filed: 05/01/2001
  • Issued: 05/30/2006
  • Est. Priority Date: 05/01/2001
  • Status: Expired due to Fees
First Claim
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1. A method at a phone-interface device, comprising:

  • receiving a provisional-alarm report;

    determining whether a disarm command has been received subsequent to receipt of the provisional-alarm report;

    when a disarm command has not been received before expiration of a period of time, sending a system condition to a monitoring station including seizing a telephone line;

    calling the monitoring station via the telephone line;

    determining whether the calling element is successful, and when the calling element is not successful, sending the alarm condition to the monitoring station via an alternative communications link; and

    determining whether a trouble condition exists at the phone interface device and if it exists, communicating the trouble condition to the control panel via a transmitter located at the phone interface device.

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