目前广州电信业务支持中央现有的投诉工单处置流程和方式已经不能知足日益增多的用户投诉。
Telecommunications business support center in Guangzhou existing complaints handling procedures and methods of work orders can no longer satisfy the growing number of customer complaints.
主控芯片采用AT89C51单片机，通信方式采用抗干扰能力强、可靠性高的DTMF信号和单工调频的无线通信方式。
The master control chip uses AT89C51, the communication mode adopts DTMF signal with strong anti-interference and high reliability, and simplex frequency modulation.
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