Integrated Services Digital Network (ISDN); ISDN Packet Mode Bearer Services (PMBS); ISDN Virtual Call (VC) and Permanent Virtual Call (PVC) bearer services provided by the B-channel of the user access - basic and primary rate (Endorsed by AENOR in September of 2004.)
NORMA vydaná dňa 1.9.2004
Designation standards: UNE-ETS 300048ED1
Publication date standards: 1.9.2004
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE