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展望未来,第三代移动系统和因特网将是移动通信市场两种主要的推动力。UMTS将提供跨越网络/终端范围的无线多媒体应用和便携式个人化业务。本文在分析UMTS的业务结构基础上,分析了面向全IP的UMTS网络结构所带来的影响, 以及支持VoIP业务两种可能的模式及其应用环境。
Looking ahead, the third generation of mobile systems and the Internet will be two key drivers of the mobile communications market. UMTS will provide wireless multimedia applications and portable personal services across the network / terminal area. Based on the analysis of the UMTS service structure, this paper analyzes the impact of the all-IP UMTS network structure and the two possible modes to support the VoIP service and its application environment.