住宅小区的特点是用户集中，容量大，统一保安管理，而且国内大部分地区经济收入不高，因此小区安防系统必须满足"安全可靠、经济有效、集中管理"的要求，虽然目前市场上有各种各样的安防系统，但是真正符合小区特点、适合小区使用的产品并不多。楼宇对讲系统作为这样的产品，具有连线少、户户隔离不怕短路、户内不用供电、待机状态不耗电、不用专用视频线、稳定性高、性能可靠、维护方便等特点 。
The characteristics of residential quarters are centralized users, large capacity, unified security management, and low economic income in most areas of the country. Therefore, the security system of residential quarters must meet the requirements of "safe, reliable, economic and effective, centralized management". Although there are various security systems in the market at present, there are not many products that really meet the characteristics of residential quarters and are suitable for the use of residential quarters. As such a product, the building intercom system has the characteristics of less connection, no fear of short circuit in house isolation, no power supply in house, no power consumption in standby state, no special video line, high stability, reliable performance, convenient maintenance, etc.