(Since ADSL is a broadband access technology carried by telephone copper wires, the transmission quality of telephone wires directly affects the use of ADSL broadband. In many ADSL broadband shortcomings, the problem of dropped calls can be described as a major evil, and it is also a disadvantage that plagues ADSL users. The problem of ADSL disconnection is more complicated, involving hardware and software problems, and the management method is also very cumbersome. However, you only need to know all aspects of ADSL broadband access technology, manage AD)
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