Digital cellular telecommunications system (Phase 2+) (GSM); Line identification supplementary services; Stage 2 (GSM 03.81 version 6.0.0 Release 1997)
NORMA vydána dne 29.4.1999
Designation standards: ETSI TS 100542-V6.0.0
Publication date standards: 29.4.1999
The number of pages: 33
Approximate weight : 99 g (0.22 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI