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计算机技术的快速发展和网络的不断完善,为语音通讯与数据网络有机地结合在一起提供了一个极好的机会,以IP网络为基础的语音业务——VoIP技术应运而生。Vocaltec公司在1995年宣布推出“Internet Phone”客户端IP电话,这是第一个可以在Internet网络上进行语音传输的软件。该软件使用名为“IP分组交换”的新技术,即将语音信号进行压缩并转换成IP分组包,以便在Intemet上传输。
The rapid development of computer technology and continuous improvement of the network provide an excellent opportunity for organically combining voice communications with data networks. VoIP technology has emerged as an IP network-based voice service. Vocaltec announced in 1995 the launch of its “Internet Phone” client IP phone, the first software to deliver voice over the Internet. The software uses a new technology called “IP Packet Switching,” which is the voice signal is compressed and converted into IP packets for transmission on the Internet.