Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 8.5.0 Release 8)
STANDARD published on 1.7.2008
Designation standards: ETSI TS 122228-V8.5.0
Publication date standards: 1.7.2008
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: European technical standard
Category: Technical standards ETSI