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多媒体彩铃业务是移动运营商未来3G网络的一个重要增值业务。介绍基于3GR4网络的三种多媒体彩铃组网方案,并对三种方案进行了比较,得出终端支持二次协商的彩铃组网方案是最适合采用的组网方案。
Multimedia CRBT service is an important value-added service for the future 3G network of mobile operators. This paper introduces three multimedia ring-tone networking solutions based on the 3GR4 network and compares the three solutions. It concludes that the solution of the RBT network supporting the second negotiation by the terminal is the most suitable networking solution.