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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 300426
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Call intrusion supplementary service

Title (German)

Private Telekommunikationsnetze (PTN) - Zeichengabe zwischen Telekommunikationsanlagen - Dienstmerkmal "Aufschalten"

Edition 1995-09

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 300426 Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Call intrusion supplementary service

Michael Teigeler

Want to learn more?

ETS 300426
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Call intrusion supplementary service