
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS); Stage 2 (3GPP TS 23.228 version 15.4.0 Release 15)
NORMA vydaná dňa 26.4.2019
Designation standards: ETSI TS 123228-V15.4.0
Publication date standards: 26.4.2019
The number of pages: 326
Approximate weight : 1009 g (2.22 lbs)
Country: European technical standard
Kategória: Technické normy ETSI