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在深入分析软交换网络结构和协议技术的基础上,阐述了移动网向以IP为核心的融合网络方向演进的趋势,并结合3GPP标准详细讨论了基于软交换技术和SIP(会话启动协议)的未来3G全IP核心网络的控制结构和业务结构。
Based on the deep analysis of softswitch network structure and protocol technology, the evolution trend of mobile network to IP-based converged network is expounded. Combined with the 3GPP standard, the softswitch-based technology and SIP (Session Initiation Protocol) Future 3G all-IP core network control structure and business structure.