Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Inter-Exchange Signalling Protocol - Name Identification Supplementary Services
Edition 2004-01-01

Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Inter-Exchange Signalling Protocol - Call Transfer Supplementary Service
Edition 2004-01-01

Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Inter-Exchange Signalling Protocol - Call Completion Supplementary Services
Edition 2004-12-01

Information technology - Telecommunications and information exchange between systems - Private telecommunications networks - Digital channel aggregation
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 - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Inter-Exchange Signalling Protocol - Call Diversion Supplementary Services
Edition 2004-01-01

Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Inter-Exchange Signalling Protocol - Path Replacement Additional Network Feature
Edition 2004-12-01

Information Technology - Scalable Coherent Interface (SCI)
Edition 2002-12-01

Information technology - Guideline for the evaluation and selection of CASE tools
Edition 2009-10-01

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