norstar fanvil i16s

  1. Need some help from a Norstar guru

    Hello all, I am working with an old Norstar system and want to connect a Fanvil i16s door phone to unlock the door. I have the door phone installed and working in 3cx, so it will ring a group, and they can chat on it, just can't unlock the door. My question is it possible to pass the power...
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