标准摘要
[中文适用范围]： 处理适用于专用综合服务网络（PISN）的服务规范功能模型和信息流。 使用 ITU T（以前称为 CCITT）开发的 ISDN 概念，并且也在 ISO 定义的开放系统互连 (OSI) 标准框架内。 [外文原描述]： Deals with the service specification functional model and information flows applicable to Private Integrated Services Network (PISN). Uses the ISDN concepts as developed by ITU T (formerly CCITT) and is also within the framework of standards for Open Systems Interconnection (OSI) as defined by ISO.
英文名称Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Circuit-mode multi-rate bearer services - Service description, functional capabilities and information flows