Business TeleCommunication (BTC). Planning of loudness rating and echo values for private networks digitally connected to the public network
NORM herausgegeben am 1.12.1995
Designation standards: STN ETS 300283
Classification mark: 870283
Catalog number: 71095
Publication date standards: 1.12.1995
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN