Universal Personal Telecommunication (UPT); The service concept; Part 9: Service requirements on numbering, addressing and identification
NORMA vydána dne 30.12.1992
Designation standards: ETSI ETR 055-9-ed.1
Publication date standards: 30.12.1992
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI