ETSI ES 283 012-2010 电信和互联网融合业务及高级网络协议(TISPAN).互通.用于NGN和外部CS网络间互通的干线网关控制程序(版本2.1.1).3GPP TS 29.412(第8次发布)的核准本
Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Interworking; Trunking Gateway Control Procedures for interworking between NGN and external CS networks (V2.1.1; Endorsement of 3GPP TS 29.412 (R8))