本系统采用人机对话的操作方式，可以进行来电显示和来电接听等功能；提供电话拨出功能，可以通过程序拨出电话；提供客户管理功能等。-This system uses the man-machine dialogue mode of operation can be carried out caller ID and incoming calls and other functions provide telephone allocate function, can make a call by th