Digital cellular telecommunications system (Phase 2+); GSM Cordless Telephony System (CTS), Phase 1; CTS supervising system Layer 3 Specification (3GPP TS 44.057 version 4.0.0 Release 4)
NORMA vydaná dňa 31.3.2001
Designation standards: ETSI TS 144057-V4.0.0
Publication date standards: 31.3.2001
The number of pages: 49
Approximate weight : 147 g (0.32 lbs)
Country: European technical standard
Kategória: Technické normy ETSI