用VB编的来电客户管理程序,用MSComm控件实现,系统可以跟踪来电,根据来电号码查询来电客户的基本信息,发生业务的记录.-VB calls made by customer management process, with the realization of MSComm control, the system can track the calls, according to Caller ID Call customer inquiries basic information, the