ETSI TS 123 279-2010 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).长期演进技术.组合电路交换(CS)和IP多媒体子系统(IMS)业务.第2阶段(版本9.0.0).3GPP TS 23.279(版本9.0.0,第9次发布)
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 V9.0.0; 3GPP TS 23.279 version 9.0.0 Release 9