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以软交换技术为代表的下一代网络(NGN)主要采用H.248协议作为网关控制。文章简要分析目前推广软交换网关技术存在的若干问题,提出一种融合多种网关的虚拟网关技术,旨在降低网关设备成本,推动NGN顺利发展。
Next Generation Network (NGN) represented by softswitch technology mainly adopts H.248 protocol as a gateway control. The article briefly analyzes some problems existing in the current promotion of softswitch gateway technology and proposes a virtual gateway technology that integrates multiple gateways in order to reduce the cost of gateway equipment and promote the smooth development of NGN.