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结合目前市场上新推出的移动电话个性化回铃音———炫铃业务的特点,论述了利用交换机修改方式实现炫铃业务的系统架构,并对系统关键部分———炫铃业务节点的结构、功能及其与移动网络的信令交互流程进行了详细描述。
Combined with the newly introduced personalized ring-back tone (CRBT) of the mobile phone on the market --- the characteristics of the CRBT service, the system architecture for implementing the CRBT service by means of switch modification is discussed. The key part of the system, namely CRBT node Structure, function and its signaling interaction with mobile networks were described in detail.