售后服务，备件库管理呼叫中心： 呼叫中心主要实现的功能有受理子系统、投诉处理子系统、信息交互、管理子系统、统计、分析子系统。 -after-sale servicescompany previously used a customer after-sales service management systems, procedures compact design and function can basically meet a general corporate use.