Universal Personal Telecommunication (UPT); The service concept; Part 9: Service requirements on UPT numbering, addressing and identification
NORMA vydaná dňa 15.4.1995
Designation standards: ETSI ETR 055-9-ed.2
Publication date standards: 15.4.1995
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: European technical standard
Kategória: Technické normy ETSI