1.
The Structural Optimization of Switching Network Management System under Boss Framework;
BOSS框架下电话交换网络网管系统的优化
2.
Research on Establishing Video Communication Based on Public Switched Telephone Network;
基于公共交换电话网络可视通信建立的研究
3.
teleprinter switching network
电传打字机交换网络
4.
The Design and Realization of the Automatic Telephone Network Management System Based on SOA;
基于SOA的自动电话交换网网络管理系统的设计与实现
5.
There are685,000 users of the internet over the city.
年末电话交换机总容量431.4万门，计算机互联网络用户68.5万户。
6.
While this is in theory possible with traditional telephone networks, access to switching equipment is easier to control.
虽然这对传统电话网络在理论上也有可能，但交换设备更容易保护。
7.
Intranet Telephony: Will your LAN Replace Your PBX?
内部网电话：局域网会替代用户电话交换机吗？
8.
Intranet Telephony: Will your LAN Replace Your PBX? (2)
内部网电话：局域网会替代用户电话交换机吗？（2）
9.
It likes that circuit switch is the kernel of circuit switch network.
等同与程控交换是电路交换网络的核心。
10.
Ringing and tone for telephone automatic switching network
GB3380-1982电话自动交换网铃流和信号音
11.
Subscriber line signalling system for telephone automatic switching network
GB3378-1982电话自动交换网用户信号方式
12.
The Research and Implementation of Management System of Local Switch Network;
本地电话交换网管理系统研究与实现
13.
Application Analysis of the Signaling System in Telepone Exchange Network;
信令系统在电话交换网中的应用分析
14.
Research on the Exchange Network Structure Based on Software Radio;
基于软件无线电交换网络结构的研究
15.
The Application of Program-Controlled Exchange Technology in Telecommunication Service Networks;
电信业务网络中程控交换技术的应用
16.
In data communication, the connection through the public switched telephone network from a terminal to a service, network or computer.
数据通信中，通过公共电话交换网，实现一个终端和一个服务部门、网络或计算机的连接。
17.
An Integrated Services Digital Network device on a public switched telephone network.
公用交换电话网上的综合业务数字网设备。
18.
Megaco to bridge PSTN, IP networks
将公共电话交换网与IP网相联的新标准——Megaco