ISO/IEC 15056:1997

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Inter-exchange signalling protocol -- Transit counter additional network feature

ISO/IEC 14842:1996

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows -- Do not disturb and do not disturb override supplementary services

ISO/IEC 14845:1996

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows -- Call intrusion supplementary service

ISO/IEC 14841:1996

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows -- Call offer supplementary service

ISO/IEC 11584:1996

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

ISO/IEC 13871:1995

Information technology -- Telecommunications and information exchange between systems -- Private telecommunications networks -- Digital channel aggregation

ISO/IEC 13864:1995

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows -- Name identification supplementary services

ISO/IEC 13866:1995

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows -- Call completion supplementary services

ISO/IEC 14136:1995

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows -- Identification supplementary services

ISO/IEC 11573:1994

Information technology - Telecommunications and information exchange between Systems - Synchronization methods and technical requirements for Private Integrated Services Networks

ISO/IEC 11579-1:1994

Information technology - Telecommunications and information exchange between Systems - Private integrated Services network - Part 1: Reference configuration for PISN Exchanges (PINX)