IEC？62820-3-1:20 17给出了用于安全应用的楼宇对讲系统(BIS)的规划、安装、调试、操作和维护指南。IEC中规定了BIS的不同技术要求？62820-1-1和IEC？62820-1-2.本文件的目的是: -？提供一个框架来协助系统集成商、安装商、咨询工程师和系统所有者建立他们的需求； -协助指定人员和系统所有者确定给定应用所需的适当设备。

IEC？62820-3-1:2017 gives guidelines for planning, installation, commissioning, operation and maintenance of Building Intercom Systems (BIS), for use in security applications. The different technical requirements for BIS are specified in IEC？62820-1-1 and IEC？62820-1-2. The objectives of this document are to:
-？ provide a framework to assist system integrators, installers, consultant engineers and system owners in establishing their requirements;
- assist specifiers and system owners in determining the appropriate equipment required for a given application.