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本文首先对个性化回铃音的用途和特点做了简单介绍,然后从呼叫流程、移动交换机端的修改等细节描述了个性化回铃音系统的具体设计,最后通过分析信令交互过程对个性化回铃音系统的实现进行了介绍。
In this paper, the purpose and characteristics of personalized ring-back tone are briefly introduced. Then the specific design of personalized ring-back tone system is described in detail from the call flow and the modification of the mobile switch. Finally, by analyzing the signaling interaction process, Ringback tone system is introduced.