ETSI TR 184 003-2010 电信和互联网融合业务及高级网络协议(TISPAN).下一代网络(NGNs)运营商之间电话号码的可携性(版本3.1.1)
Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Portability of telephone numbers between operators for Next Generation Networks (NGNs) (V3.1.1)