Norm
[AKTUELL]
UNE-ETS 300449
UNE-ETS 300449
BUSINESS TELECOMMUNICATIONS (BTC). SPECIAL QUALITY VOICE BANDWIDTH 2-Wire analogue leased line (A2S). Connection characteristics and network interface presentation.
Titel (englisch)
BUSINESS TELECOMMUNICATIONS (BTC). SPECIAL QUALITY VOICE BANDWIDTH 2-Wire analogue leased line (A2S). Connection characteristics and network interface presentation.