易语言语音呼叫中心源码例程程序结合易语言扩展界面支持库，调用API函数实现了内线摘挂机，外线来电显示，多通道的状态管理。 必须安装官方的DBDK开发包，否则没有DLL可调用。-Easy language routines source voice call center program extended interface with easy language support library, call the API function of the realization of the inside outside hang up, caller ID, state management of multi channel. You must install the official DBDK development package, otherwise there is no DLL calls.