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Alarm system

  • US 20070178879A1
  • Filed: 02/17/2006
  • Published: 08/02/2007
  • Est. Priority Date: 01/30/2006
  • Status: Abandoned Application
First Claim
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1. A monitored alarm system comprising an alarm unit and a remote monitoring station, the alarm unit being arranged to contact the monitoring station via a telephone call upon occurrence of a predetermined event, wherein the monitoring station is arranged to leave said telephone call unanswered whilst logging identification details from the telephone call.

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