随着通信的发展，用户消费意识、维权意识的增强，话费纠纷问题已经成了用户投诉、争议的“焦点”。由于计费本身的复杂性，营业前台对用户争议的解释和处理很困难，直接影响了话费的收缴和电信运营企业的信誉，甚至出现因话费争议而引起的诉讼事件。 用户的争议集中在话单异常 With the development of communication, consumer awareness of consumption, awareness of rights protection, telephone bill disputes has become the user complaints, controversial “focus.” Due to the complexity of billing itself, it is very difficult for the business front office to explain and handle user disputes. This directly affects the collection of telephone bills and the reputation of telecom operators, and even litigation cases arising from disputes over telephone bills. The user’s dispute is focused on CDR abnormalities