Private Telecommunication Network (PTN) - Reference configuration - Part 1: Reference configuration for PTN eXchanges (PTNX) [ISO/IEC 11579-1 (1994), modified]; English version ETS 300475-1:1995
Edition 1996-06

Surveillance systems - Radio staff protection systems for Lone Workers - Part 11: Product and test requirements using public telecommunications-networks
Edition 2023-02

Information technology - Telecommunications and information exchange between systems - Private integrated services network - Part 1: Reference configuration for PISN exchanges (PINX)
Edition 1994-06

Information technology - Telecommunications and information exchange between systems - Private telecommunications networks - Digital channel aggregation
Edition 1995-12

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
Edition 1996-09

Information technology - Telecommunications and information exchange between systems - Private integrated services network - Specification, functional model and information flows - Call intrusion supplementary service
Edition 1996-09

Information technology - Telecommunications bonding networks for buildings and other structures
Edition 2015-10

Definitions of terms in private telecommunication networks - Definition of general terms
Edition 1992-10-01

Safety aspects for xDSL signals on circuits connected to telecommunication networks (DSL : Digital Subscriber Line)
Edition 2005-06-01