Integrated Services Digital Network (ISDN). Explicit Call Transfer (ECT) supplementary service. Digital Subscriber Signalling System No. one (DSS1) protocol. Part 1: Protocol specification
STANDARD published on 1.4.2002
Designation standards: STN EN 300369-1-V1.2.4
Classification mark: 870369
Catalog number: 19991
Publication date standards: 1.4.2002
The number of pages: 47
Approximate weight : 141 g (0.31 lbs)
Country: Slovak technical standard
Category: Technical standards STN