网络电话技术与因特网协议语音技术指的是同一件事物,常被叫做 VoIP。网络电话技术是指在因特网网络上传送语音信号。因特网协议(IP)最初是为数据网络所设计,但随着其成功地成为数据网络的全球性标准而被广泛运用于语音网络。
网络电话所提供的服务大多是传统PSTN无法实施或价格昂贵的。例如:
由于网络电话技术具有以上及其它优点,众多企业正以惊人的速度采用 VoIP电话系统 。
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