ETSI TS 123 508-2008 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).电信和互联网融合业务及高级网络协议(TISPAN).显示业务.架构和功能描述
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); TISPAN; Presence Service; Architecture and functional description [Endorsement of 3GPP TS 23.141 and OMA-AD-Presence_SIMPLE-V1_0] (V8.0.0; 3GPP TS 23