Integrated Services Digital Network (ISDN); Outgoing Call Barring-Fixed (OCB-F) supplementary service; Service description
NORM herausgegeben am 11.7.2000
Designation standards: ETSI EN 301082-V2.1.1
Publication date standards: 11.7.2000
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI