标准号:TS 122 228-2014
中文标准名称:TS 122 228-2014
英文标准名称:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (V12.8.0; 3GPP TS 22.228 version 12.8.0 Rel
发布日期:2014-10-01
实施日期:2015-01-20