标准摘要
[中文适用范围]： 是定义适用于专用服务网络 (PISN) 的服务和信令协议的一系列标准之一。 该系列使用 ITU-T 开发的 ISDN 概念，并符合 ISO/IEC 定义的开放系统互连标准框架。 指定呼叫完成补充服务。 [外文原描述]： Is one of a series of standards defining services and signalling protocolls applicable to Private Services Networks (PISN). The Series uses ISDN concepts as developed by ITU-T and conforms to the framework of Standards for Open Systems Interconnections as defined by ISO/IEC. Specifies the Call Completion supplementary services.
英文名称Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Call completion supplementary services