用于通信运营商过网话务的行为分析，通过用户呼转行为的对象、时间、地点及相互的关联关系，判断用户离网的预警数据，支撑用户挽留行为。- For the behavior analysis of network traffic operator, through the object, time, place and mutual relationship of the user call forwarding behavior, judge the early warning data of the users　the network, and support the customer retention behavior.