本标准提供了国家安全/应急准备（NS/EP）-电信服务优先级（TSP）代码的规范、特征和值。TSP系统是一个联邦通信委员会系统，它取代了FCC国家通信系统（NCS）恢复优先级（RP）系统。本标准包含的条款涵盖其目的和范围、代码表示、允许的代码值以及与具有NS/EP TSP名称的服务相关的活动的相对重要性。

This standard provides the specifications, characteristics, and values of the National Security/Emergency Preparedness (NS/EP) - Telecommunications Service Priority (TSP) code. The TSP System is a Federal Communications Commission system which superseded the FCC National Communications System (NCS) Restoration Priority (RP) System. This standard contains clauses covering its purpose and scope, code representation, allowable code values, and relative importance of activities associated with services having NS/EP TSP designations.