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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

ETS 300121
Integrated Services Digital Network (ISDN); application of the ISDN User Part (ISUP) of CCITT signalling system no. 7 for international ISDN interconnections (ISUP version 1)

Title (German)

ISDN; Anwendung des IDSN-Anwenderteils des CCITT-Zeichengabesystems Nr. 7 für internationale ISDN-Verbindungen (ISUP Version 1)

Edition 1992-12

Original language English

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Terminology

Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

ETS 300121 Integrated Services Digital Network (ISDN); application of the ISDN User Part (ISUP) of CCITT signalling system no. 7 for international ISDN interconnections (ISUP version 1)

Rudolf Brandner

Want to learn more?

ETS 300121
Integrated Services Digital Network (ISDN); application of the ISDN User Part (ISUP) of CCITT signalling system no. 7 for international ISDN interconnections (ISUP version 1)