Digital cellular telecommunications system (Phase 2+); Mobile Radio Interface Layer 3 - Supplementary services specification formats and coding (3GPP TS 04.80 version 6.1.2 Release 1997)
NORMA vydána dne 30.9.2003
Designation standards: ETSI TS 100950-V6.1.2
Publication date standards: 30.9.2003
The number of pages: 47
Approximate weight : 141 g (0.31 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI