ETSI TS 123 272-2008 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).演进分组系统(EPS)中电路交换(CS)的低效运行.第2阶段(版本8.0.0).3GPP TS 23.272(版本8.0.0,第8次发布)
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Circuit Switched (CS) fallback in Evolved Packet System (EPS); Stage 2 V8.0.0; 3GPP TS 23.272 version 8.0.0 Release 8