The old fixed-line network is being torn up and replaced with a system using only internet-protocol (IP) technology, which is cheaper and better at handling voice, data and images.

旧的固线网络正在被拆除，取而代之的是一种仅使用网络协议(IP)，能更好地处理声音、数据和图像的更便宜的技术。

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It is not a single but a system integrated with several technologies constructing communication network, including Signaling Protocol, Voice Codec, Media Transport and Gateway Control.

它不是单一的一种技术，而是综合了通讯网络的多种技术在内的一个系统，包括了信令协议、语音编解码、媒体传输和网关控制。

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All signaling and voice traffic between the PBX and the provider is exchanged using SIP and RTP protocol packets over the IP network.

所有的信号和语音通信交换机之间的交换和提供者是通过IP使用SIP和RTP协议包网络。

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And if you've ever wanted to seriously used a Wi-Fi network to make voice telephone calls using Voice Over Internet Protocol technology (VOIP), your network will need a feature called QOS or Quality Of Service.

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That set the stage for Cisco to sell the department on improving that network with services such as video conferencing and voice-over-Internet Protocol.

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Google (Nasdaq: GOOG) mulled rolling out Voice-over-Internet Protocol, or VoIP, features to its new fiber network, which Google began lighting up last month, said Milo Medin, vice president of Google Access Services.

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