The vigorous development of IP voice communication systems brings more and more value to the enterprise. So this system's development becomes a focus in the world.

企业IP语音通信系统的蓬勃发展，为企业带来日益广阔的应用价值，所以该系统的开发建设成为国内外瞩目的热点。

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IP phone transmits the voice data through the grouping network that is the main communication channel for the people in conversation.

IP电话是将语音数据通过分组网络传输的，用分组网络作为会话者的主要通讯信道。

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Cable operators want to be able to offer the "quadruple play" of communication bundles--Internet, television, voice-over-IP and wireless telephony.

FORBES: Cable Finds Its Voice