本文件提供了基于ATIS-0500036的网络互连概述和操作注意事项，ATIS标准适用于基于IMS的下一代应急服务网络互连。ATIS-0500036提供了基于IMS的NG9-1-1应急服务网络与传统和其他下一代NG9-1-1应急服务网络互连的规范，用于初始紧急呼叫发起和呼叫转移（桥接）。

This document provides an overview and operational considerations for network interconnection based upon ATIS-0500036, ATIS Standard for IMS-based Next Generation Emergency Services Network Interconnection. ATIS-0500036 provides specifications for the interconnection of an IMS-based NG9-1-1 Emergency Services Network with legacy and other Next Generation NG9-1-1 Emergency Services Networks for initial emergency call origination and call transfers (bridging).