IEC 62820-1-1:2016规定了一般建筑对讲系统的组成、功能、性能和测试方法的技术要求。本部分适用于住宅或商业建筑中建筑物入口的通用对讲系统。一般楼宇对讲系统分为两个等级:1级对未用于相关安全应用的门禁系统采用较低的要求，而2级对用于安全应用的楼宇对讲系统采用较高的要求。 每个等级可采用不同的功能和性能要求、测试方法和规范性参考。

IEC 62820-1-1:2016 specifies the technical requirements for the composition, functions, performance, and test methods of general building intercom systems. This part is applicable to the general intercom systems for building entry in residential or commercial buildings. General building intercom systems have been classified into two grades: Grade 1 adopts lower requirements to cover door-entry-systems not used for relevant security applications while grade 2 adopts higher requirements for building intercom systems for security applications. Each grade may adopt different functional and performance requirements, test methods and normative references.