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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]

NF Z83-581-4 ; NF ETS 300581-4:1998-09-01
Digital cellular telecommunications system (phase 2). Half rate speech. Part 4: comfort noise aspect for half rate speech traffic channels (GSM 06.22 version 4.1.1)

Title (German)

ZELLULARES DIGITALES FUNKKOMMUNIKATIONSSYSTEM (PHASE 2). HALBRATEN-SPRACH. TEIL 4: HINTERGRUND-RAUSCHSIMULATION FUER HALBRATEN-SPRACHKANAELE (GSM 06.22 VERSION 4.1.1)

Edition 1998-09-01

Original language French

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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

NF Z83-581-4 ; NF ETS 300581-4:1998-09-01 Digital cellular telecommunications system (phase 2). Half rate speech. Part 4: comfort noise aspect for half rate speech traffic channels (GSM 06.22 version 4.1.1)

Want to learn more?

NF Z83-581-4 ; NF ETS 300581-4:1998-09-01
Digital cellular telecommunications system (phase 2). Half rate speech. Part 4: comfort noise aspect for half rate speech traffic channels (GSM 06.22 version 4.1.1)