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
Edition 2000-04

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Specifications, functional model and information flows; Single Step Call Transfer Supplementary Service
Edition 2001-05

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Specification, functional model and information flows; Simple dialog supplementary service
Edition 2001-08

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Short message service
Edition 2002-07

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Specification, functional model and information flows; Call diversion supplementary services
Edition 2003-04

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Specification, functional model and information flows; Recall supplementary service
Edition 2003-04

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Specification, functional model and information flows; Call interception additional network feature
Edition 2003-04

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Specification, functional model and information flows; Call transfer supplementary service
Edition 2003-04