Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Call completion supplementary services
Edition 1997-02-28

Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Specification, Functional Model and Information Flows - Call Diversion Supplementary Services
Edition 2004-12-01

Information Technology - Software Measurement - Functional Size Measurement - Part 1: Definition of Concepts
Edition 2007-11-01

Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Functional Requirements for Static Circuit-Mode Inter-PINX Connections
Edition 2001-03-01

Information technology - Functional safety requirements for home and building electronic systems (HBES)
Edition 2010-12-01

Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Specification, Functional Model and Information Flows - Advice of Charge Supplementary Services
Edition 2001-03-01

Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Specification, Functional Model and Information Flows - Recall Supplementary Service
Edition 2004-12-01

Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Specification, Functional Model and Information Flows - Call Interception Additional Network Feature
Edition 2004-12-01

Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Specification, Functional Model and Information Flows - Transit Counter Additional Network Feature
Edition 2001-03-01

Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Specification, Functional Model and Information Flows - Message Waiting Indication Supplementary Service
Edition 2004-12-01