Integrated Services Digital Network (ISDN); Signalling System No.7; ISDN User Part (ISUP) version 3 for the international interface; Part 8: User-to-User Signalling (UUS) supplementary service [ITU-T Recommendation Q.737, clause 1 (1997), modified]
NORMA vydána dne 31.8.1998
Designation standards: ETSI EN 300356-8-V3.1.3
Publication date standards: 31.8.1998
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI