Integrated Services Digital Network (ISDN). Signalling System No.7. ISDN User Part (ISUP) version 3 for the international interface. Part 2: ISDN supplementary services [ITU-T Recommendation Q.730 (1997) , modified]
STANDARD published on 1.4.2002
Designation standards: STN EN 300356-2-V3.2.2
Classification mark: 870356
Catalog number: 19964
Publication date standards: 1.4.2002
Approximate weight : 300 g (0.66 lbs)
Country: Slovak technical standard
Category: Technical standards STN