用常规p BX时，话音和数据通信必须有两个分开的网络。
With a conventional PBX, separate networks are necessary for voice and data communications.
随着因特同业务的飞速发展，数据业务将达到并超过话音业务成为主要的通信业务，IP将成为数据通信的主导协议。
With the explosive growth of Internet services, the data traffic will reach and exceed voice traffic and IP will become the leading protocol in data communications.
目前使用的话音或数据通信信道。
以一个较成功的案例，探讨了TDMA卫星通信技术在会议电视、数据通信、话音等综合业务中的应用。
This paper takes a successful example to show the application of TDMA satellite communication techniques in integrated service, including conference television, data traffic and telephone traffic.
支持话音和数据通信，能扩展到汽车内无线电话解放双手的话音通信。
Bluetooth supports voice and data communications, so it can be extended into hands-free voice communications for wireless phones in vehicles.
支持话音和数据通信，能扩展到汽车内无线电话解放双手的话音通信。
Bluetooth supports voice and data communications, so it can be extended into hands-free voice communications for wireless phones in vehicles.
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