Yes. The DET unit is compatible with proprietary systems offered by companies such as Kone, Schindler, Otis, and Thyssenkrupp, as well as systems provided by Pixel technologies.
In most cases, existing emergency phone lines will not operate reliably in nbn™ connected premises; the DET unit simply replaces the existing copper wire connection with a cellular connection and is therefore compatible with all telephony infrastructure that exists for emergency services.
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