Integrated Services Digital Network (ISDN); Public Switched Telephone Network (PSTN); Universal Access Number (UAN) service; Service description
NORM herausgegeben am 14.3.1997
Designation standards: ETSI ETS 300710-ed.1
Publication date standards: 14.3.1997
The number of pages: 29
Approximate weight : 87 g (0.19 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI