本标准定义了电信服务提供商（TSP）和执法机构（LEA）之间的接口，以协助LEA对有线和宽带电信网络中的互联网语音协议（VoIP）和丰富通信服务（RCS）消息进行合法授权的电子监控。此版本的标准扩展了ATIS-1000678中的功能。v3。2015年（R2020），并提供了更正。本文件提供了在适当的法律和监管环境下对VoIP进行合法授权的电子监控的机制。 本文件无意暗示或影响任何与VoIP相关的《通信协助执法法案》（CALEA）监管决定。注:附件A，ASN。1本标准的定义也被格式化为单独的纯文本文件，并与本标准一起以电子方式打包。

This Standard defines the interfaces between a Telecommunication Service Provider (TSP) and a Law Enforcement Agency (LEA) to assist the LEA in conducting lawfully authorized electronic surveillance for Voice over Internet Protocol (VoIP) and Rich Communications Services (RCS) Messaging in wireline and broadband telecommunications networks. This version of the standard extends the capabilities in ATIS-1000678.v3.2015(R2020) and also provides corrections.This document provides the mechanisms to perform lawfully authorized electronic surveillance of VoIP subject to the appropriate legal and regulatory environment. It is not the intent of this document to imply or impact any pending Communications Assistance for Law Enforcement Act (CALEA) regulatory decisions related to VoIP.NOTE - Annex A, ASN.1 Definitions, of this Standard has also been formatted as a separate plain text file and electronically packaged with this standard.