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
STANDARD published on 1.6.1995
Designation standards: ČSN ETS 300048
Classification mark: 873501
Catalog number: 17827
Publication date standards: 1.6.1995
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN