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采用软件控制MODEM，使其按照特定的要求进行远程点对点通信，将用户每月的税务申结报数据编码后通过公共电话线路传输至税务网络中心，税务中心接收用户数据并解码，将有用数据置入用户数据信箱，从而达到税务数据远程申结报的目的。
MODEM software control to make it in accordance with specific requirements for remote point-to-point communication, the user monthly tax declaration data encoded by public telephone lines transmitted to the tax network center, the tax center to receive user data and decode, the useful data set Into the user data mailbox, so as to achieve the purpose of declaring the tax data remotely.