Integrated Services Digital Network (ISDN); Audiographic conference teleservice; Service description
NORM herausgegeben am 15.11.1996
Designation standards: ETSI ETS 300675-ed.1
Publication date standards: 15.11.1996
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI