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Case Studies


  • Norway Rail IP based Long Line Public Address

    Jernbaneverket case study

    Monday, 9th August 2010

    Norway Rail,ASL,Long-Line PA,Voice Alarm system,Voice over IP,VOIP,iPA,IP based Long Line Public Address system

    In 2009 ASL Safety & Security were awarded the £1.2m contract for the design, supply, installation and commissioning of the monitored Long Line PA...  View This »



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