Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 19.0.0 Release 19)
STANDARD published on 23.10.2025
Designation standards: ETSI TS 122228-V19.0.0
Publication date standards: 23.10.2025
The number of pages: 52
Approximate weight : 156 g (0.34 lbs)
Country: European technical standard
Category: Technical standards ETSI