软交换是下一代话音网络中的核心技术。
Softswitch is a kernel technology for the next-generation packet voice network.
IP PB X主要的优势之一就是它使用合并的数据与话音网络。
One of the main advantages of an IP PBX is the fact that it employs converged data and voice networks.
电话公司也对部署具有七号信令功能的接入交换机感兴趣，以提供新的服务和把因特网拨号通话从话音网络中解脱出来。
Telephone companies are interested in deploying SS7-capable access switches to offer new services and to off-load the Internet dial-up calls from the voice network.
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