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 7.5.0 Release 7)
STANDARD published on 30.9.2006
Designation standards: ETSI TS 122228-V7.5.0
Publication date standards: 30.9.2006
The number of pages: 21
Approximate weight : 63 g (0.14 lbs)
Country: European technical standard
Category: Technical standards ETSI