ETSI TS 129 412-2008 数字蜂窝通信系统(阶段2+),通用移动通信系统(UMTS).TISPAN.网络互联.用于下一代网络(NGN)和外部CS网络之间的互联的集群网关控制规程V7.0.0.3GPP TS 29.412第7.0.0版
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); TISPAN; Interworking; Trunking Gateway Control Procedures for interworking between NGN and external CS networks (V8.0.0; 3GPP TS 29.412 version 8.0.0