Message Façade receives asynchronous messages from the PBX/ACD (private branch exchange/automated call distributor).
Message Façade从PBX/ACD（专用交换机/自动呼叫分配器）接收异步消息。
Grace Miller and Theresa Vincent staff the PBX, or private-branch exchange, switchboard at the Southern California Air Pollution District office in 1959.
1959年，南加利福尼亚空气污染地区办公室专用分组交换机的接线员格雷斯·米勒（Grace Miller）和特瑞莎·文森特（TheresaVincent）位于接线总机旁边。
The SPA8000 is interoperable with common telephony equipment such as voicemail, fax, private branch exchange (PBX), and interactive voice response systems.
与常见的SPA8000电话设备互操作，如语音信箱，传真，专用分支交换（PBX）和交互式语音应答系统。
IP telephony system can not only provide voice application, but also provide many kinds of intelligent services, it can replace the traditional Private Branch eXchange (PBX) system completely.
IP电话系统不仅能传输话音，而且能提供多种智能服务，完全可以取代传统的个人分支交换(PBX)系统。
IP telephony system can not only provide voice application, but also provide many kinds of intelligent services, it can replace the traditional Private Branch eXchange (PBX) system completely.
IP电话系统不仅能传输话音，而且能提供多种智能服务，完全可以取代传统的个人分支交换(PBX)系统。
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