ISO/IEC 15992:2003 EN 55a28161
Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Inter-exchange signalling protocol -- Call Priority Interruption and Call Priority Interruption Protection supplementary services
现行
发布日期 :
2003-03-24
实施日期 :
ISO/IEC 17309:2000 EN 2b0205b1
Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Mapping functions for the employment of a circuit mode basic service and the supplementary service user-to-user signalling as a pair of on-demand inter-PINX connections
现行
发布日期 :
2000-10-05
实施日期 :
ISO/IEC 17875:2000 EN 745abaab
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
现行
发布日期 :
2000-04-20
实施日期 :
ISO/IEC 17875:2000 EN 867a5301
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
现行
发布日期 :
2000-04-20
实施日期 :
ISO/IEC 17877:2000 EN cb673a30
Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows -- Private User Mobility (PUM) -- Call handling additional network features
现行
发布日期 :
2000-04-13
实施日期 :