Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Name identification supplementary services
信息技术——系统间的电信和信息交换——专用综合业务网——规范、功能模型和信息流——姓名识别补充服务
Is one of International Standards defining services and signalling protocols applicable to Private Integrated Services Networks. The series uses the ISDN concepts as developed by ITU-T and conforms to the framework of standards for Open Systems Interconnection as defined by ISO/IEC. Specifies the Name Identification Supplementary Services.