增值电信业务系统安全防护定级和评测实施规范-信息社区服务系统
Implement Specification of Classified Security Protection and Testing for Value-added Telecommunication Service System-- Information Community Service System

2012-11-13

Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Private User Mobility (PUM) — Registration supplementary service
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——私人用户移动性（PUM）——注册补充服务

2000-04-20

Private Integrated Services Network (PISN); Specification, functional models and information flows; Private User Mobility (PUM); Registration supplementary service [ISO/IEC 17875 (2000), modified]
专用综合业务网（PISN）；规范、功能模型和信息流；私人用户移动（PUM）；注册补充服务[ISO/IEC 17875（2000） 修改]

2000-10-01

Private Integrated Services Network (PISN) - Specification, functional models and information flows - Private User Mobility (PUM); Registration supplementary service (ISO/IEC 17875 (2000), modified) (Endorsement of the English version EN 301822 V 1.1.1 (2000-10) as German standard)
专用综合业务网（PISN）.规范 功能模型和信息流.专用用户移动性（PUM）；注册补充服务（ISO/IEC 17875（2000） 修改）（认可英文版EN 301822 V 1.1.1（2000-10）为德国标准）

2001-06-01