ETSI TS 133 203-2008 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).3G安全性.基于IP业务的接入安全(版本7.9.0).3GPP TS 33.203(版本7.9.0,第7次发布)
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); 3G security; Access security for IP-based services V7.9.0; 3GPP TS 33.203 version 7.9.0 Release 7