ETSI TS 129 162-2009 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.IM CN子系统和IP网间的互通(版本8.2.0).3GPP TS 29.162(版本8.2.0,第8次发布)
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Interworking between the IM CN subsystem and IP networks V8.2.0; 3GPP TS 29.162 version 8.2.0 Release 8