European digital cellular telecommunications system (Phase 1); Mobile radio interface layer 3; Call restriction supplementary services specification (GSM 04.88)
NORMA vydána dne 28.2.1992
Designation standards: ETSI I-ETS 300029-ed.1
Publication date standards: 28.2.1992
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI