Integrated Services Digital Network (ISDN); Audio characteristics of terminals designed to support conference services in the ISDN
NORM herausgegeben am 15.11.1997
Designation standards: ETSI ETS 300807-ed.1
Publication date standards: 15.11.1997
The number of pages: 38
Approximate weight : 114 g (0.25 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI