Software such as a PBX application for the corporate communications environment;Automatic Call Distribution for the call center environment;and Computer Telephony Integration,which controls call routing and data integration.

• 软件，如在公司通信环境中用的专用交换机（PBX）应用程序，电话局环境中用的自动通话分配，以及控制通话路由和数据集成的计算机电话集成（CTI）。