1. The dispatching of a signal, message, or other form of intelligence by wire, radio, telegraphy, telephony, facsimile, or other means. 用有线、无线电、电报、电话、传真或其它方法发送信号、报文或其它形式的消息。
2. An IP telephony software switch is designed to replace and/or augment any telecommunications device that uses circuit-based technology. 设计ip电话软件交换机是用来替代和/或增强那些基于电路技术的电信设备。
3. Computer telephony integration (CTI) is a new technology that digital program control exchange, DSP sound process, computer, bus and network communication were integrated. CTI技术是集数字程控交换、DSP语音处理、计算机、总线、网络通信于一体的计算机语音集成。