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固定电话网、移动电话网、分组数据网与因特网的共存与融合需要制定许多标准才能实现。 Coexisting and converging of fixed networks, mobile networks, packet data networks and Internet needs a number of standards. | ||
公共交换电话网是成熟的网络之一。 Public Switch Telephone Network is one of mature networks. | ||
本文通过研究数据网与电话网之间的联系，设计了一套用以实现计算机与电话网语音交互的方案。 This paper designs a voice interaction scheme between computer terminal and telephone network by researching the relationship between data network and telephone network. | ||
让我们以电话网为模型来考虑这个问题。 Think of the telephone network as the model. | ||
PSTN网关是实现IP网络和公用交换电话网（PSTN）互联的设备。 SIP/PSTN gateway is a device which interworks between IP network and PSTN. | ||
论述了基于电话网的电话自动计费器集中管理系统及配套作用的电话计费器的设计思想。 This Paper introduces the design and implementation of a centralized management system for automatic telephone charging equipment based on telephone networks. | ||
非对称数字用户线(ADSL)是利用现有电话网的铜双绞线为用户提供宽带业务的一种新技术。 Asymmetric digital subscriber line (ADSL) is a technology that provides broadband service for users on the existing twisted pair line. | ||
以电路交换和数字程控交换技术为基础的电话网更是在整个通信网中占据着重要的地位。 The telephone network based on circuit-switching and digital program controlled exchanging technology plays an important role in the whole communicating networks. | ||
本文结合江苏C4本地网的实际情况，说明c4本地网纳入C3本地电话网的必要性，例举了4种C3本地网的组网方式。 Based on the real C4 local network situations in Jiangsu province, this paper illustrates the necessity of integrating the C4 into the C3 and exemplifies 4 C3 local network configurations. | ||
