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VoIP alarm monitoring. Traditional alarm systems Motion sensor Smoke detector Camera Premise Controll Unit Fire station Security service Central station. - ppt download
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VoIP alarm monitoring. Traditional alarm systems Motion sensor Smoke detector Camera Premise Controll Unit Fire station Security service Central station. - ppt download
![VoIP alarm monitoring. Traditional alarm systems Motion sensor Smoke detector Camera Premise Controll Unit Fire station Security service Central station. - ppt download VoIP alarm monitoring. Traditional alarm systems Motion sensor Smoke detector Camera Premise Controll Unit Fire station Security service Central station. - ppt download](https://images.slideplayer.com/13/3923814/slides/slide_4.jpg)