Business TeleCommunications (BTC);Planning of loudness rating and echo values for private networks digitally connected to the public network (Endorsed by Asociación Espanola de Normalización in May of 2022.)
NORMA vydaná dňa 1.5.2022
Designation standards: UNE-ETS 300283ED1
Publication date standards: 1.5.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE