ETSI TS 182 009-2006 电信和互联网融合业务及高级网络协议(TISPAN).支持公民与当局在紧急情况下通信的NGN架构(版本1.1.1).核准文件3GPP TS 23.167(第7次发布)
Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN Architecture to support emergency communication from citizen to authority V1.1.1; Endorsed document 3GPP TS 23.167, Release 7