ETSI TS 132 732-2007 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).通信管理.IP多媒体子系统(IMS)网络资源模型(NRM)综合参考点(IRP):信息业务(IS)
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Telecommunication management; IP Multimedia Subsystem (IMS) Network Resource Model (NRM) Integration Reference Point (IRP): Information Service (IS)