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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 300199
Integrated Services Digital Network (ISDN) - Call Forwarding Busy (CFB) supplementary service - Service description

Title (German)

Diensteintegrierendes Digitalnetz (ISDN) - Dienstmerkmal Rufweiterleitung besetzt (CFB) - Dienstbeschreibung

Edition 1994-12

Original language English

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DIN SPEC

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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 300199 Integrated Services Digital Network (ISDN) - Call Forwarding Busy (CFB) supplementary service - Service description

Rudolf Brandner

Want to learn more?

ETS 300199
Integrated Services Digital Network (ISDN) - Call Forwarding Busy (CFB) supplementary service - Service description