楼宇对讲系统是在各单元口安装防盗门，由小区总控中心的管理员总机、楼宇出入口的对讲主机、电控锁、闭门器及用户家中的可视对讲分机通过专用网络组成，以实现访客与住户对讲。住户可遥控开启防盗门，各单元梯口访客通过对讲主机呼叫住户，对方同意后方可进入楼内，从而限制了非法人员进入。同时，若有突发事件，住户亦可通过该系统通知保安人员以得到及时的支援和处理。-Building intercom system is installed in each unit security door opening, by the cell s control center administrator switchboard, intercom host building entrances, electric locks, door closers, and the user s home video intercom extension through a dedicated network of in order to achieve visitors and residents intercom. Household remote control to open the security door, each unit stairs host visitors by intercom call households, before entering the building after the consent of the other, thus limiting the illegal workers　entering. At the same time, if unexpected events, residents can notify security personnel through the system in order to receive timely support and treatment.