1)PSTN公共电话交换网
1.This paper introduces a remote monitoring and controlling system for the power supply system linked by Public Swiched Telephone Network(PSTN). 介绍了一种通通公共电话交换网(PSTN)连接、用于供电系统的计算机远程监控系统,系统由上位计算机、调制解调器、程控交换机和下位单片机系统连接组成,系统按分布式结构设计,可以实现对多个供电站点的实时监控,解决了偏远地区电气设备不易维护的问题,通过应用于程控交换基站和无线通信基站供电系统的监控,系统具有操作方便、工作可靠、成本低廉等特点。
2.The paper illustrates the architecture and technology implementation of the SoftSwitch system,Compared with the traditional PSTN,it gives the advantge of Softswitchl based on package exchange,and puts forward a solution plan and the prospection of softswith technology.主要介绍了SoftSwitch系统的具体的技术实现框架以及实际的应用,并通过与传统的公共电话交换网(PSTN)的比较,介绍了基于包交换的SoftSwitch(软交换)技术的优势,提出了一种解决方案,并对SoftSwitch技术的未来前景做了展望。
英文短句/例句
1.Megaco to bridge PSTN, IP networks将公共电话交换网与IP网相联的新标准——Megaco
2.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。
3.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
4.common battery exchange共电制电话交换机局
5.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。
6.If it connects, the sending machine scans the document and transmits the image over the public switched telephone network (PSTN) to the receiving machine.如果接通了，发送机就对文件扫描，然后通过公共交换电话网（PSTN）向接收机传送文件图像。
7.The number of telephone lines connecting the subscriber's terminal equipment to the public switched network and which have a dedicated port in the telephone exchange equipment.连接用户终端设备和公用交换网并具有一个电话交换设备专用端口的电话线数。
8.If not, the call went to the company's in-house telephone switching system, or PBX (private branch exchange).如果没有，电话就转到公司内的电话交换系统（即PBX，用户电话交换机）。
9.DEX (Dendenkosha Electronic Exchange)电信电话公司电子交换器
10.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？
11.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）
12.But also needed is interoperability with the existing voice and video infrastructures: public switched networks, PBSs and video conferencing systems.但也需要与现有话音和视频基础设施（公共交换网、用户交换机和视频会议系统）的互操作性。
13.The transmission performance objectives for public analogue toll telephone automatic switching networkGB/T7437-1987公用模拟长途电话自动交换网传输性能指标
14.The transmission performance objectives for mixed analogue-digital public telephone automatic switching networkGB/T14133-1993数模混合公用电话自动交换网传输性能指标
15.By the end of 2001, total capacity of public network exchanges for fixed telephones reached 7.25 million gates,up by 19.4 percent over the previous year;年末全市公众网固定电话交换机容量达725万门，比上年增长19.4%；
16.The process of setting up a data transfer on a PSTN line.在公用电话交换网（PSTN）线路上建立数据传输的过程。
17.To be successful, Internet faxing must provide reliability and performance equal to or better than traditional public switched telephone network faxing.为了获得成功，因特网传真必须提供与传统的公共交换电话网传真相同、甚至更好的可靠性和性能。
18.Ringing and tone for telephone automatic switching networkGB3380-1982电话自动交换网铃流和信号音
相关短句/例句
PSTN公共交换电话网
1.This paper presents a remote video monitoring system based on PSTN,it can carry real-time video,audio and all kinds of monitoring parameters.介绍了一种基于公共交换电话网(PSTN)的远程视频监控系统,它能通过PSTN实时传送现场的图像、声音及各种监控参数。
2.It is well known that the QoS of VoIP is worse than that of PSTN in telecommunication field.业界普遍认为,基于网络电话的语音通信与公共交换电话网相比其服务质量差。
3)public switched telephone network公共交换电话网
1.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
2.In order to provide people with a comfortable,convenient,safe living environment,this paper analyzes the relevant technologies of the smart home system,puts forward a system project based on public switched telephone network,and expounds the principle and design process of the system hardware and software.分析了智能家居的相关技术现状,提出了一种基于公共交换电话网的智能家居系统的总体方案,阐述了该系统的工作原理及软硬件的设计方法与过程。
4)PSTN公共交换电话网络
1.According to the circumstances of the market, the competition of the telecom vocation is intensifying, the operators of PSTN, CATV, ATM and IP networks are peeking at others traditional markets.从市场情况来看,电信业的竞争正在加剧,PSTN(公共交换电话网络)、CATV(有线电视网)、ATM和IP(数据网)都在相互窥视对方的传统市场。
2.A bluetooth telephone system is a mobile communication system based on bluetooth technology and PSTN.蓝牙技术和公共交换电话网络(PSTN)相结合产生了一种移动通信系统———蓝牙电话系统。
5)PSTN公用交换电话网
1.This paper presents the structure and working principle of a remote intellingent terminal based on a public switched telephone network(PSTN) along with a method of setting up remote data communications by using the modem MSM7512B and DTMF MT8888 chips.介绍了一种基于公用交换电话网(PSTN)的远程智能终端的结构和工作原理,提出了由单片ModemMSM7512B和双音多频(DTMF)MT8888建立远程数据通信的方法,实现了对现场设备运行状态的检测、控制和远程管理等功能。
6)PSTN公用电话交换网
1.With the rapid development of network technology, DMISs(Distributed Management Information Systems)are widely used and quite a number of them are connected via PSTN(Public Switched Telephone Network).针对分布式管理信息系统通过PSTN(公用电话交换网)互联时存在的带宽低、易受干扰和安全隐患等问题,结合现代密码技术,提出了一种基于自治系统(AutonomousSystem)和代理(Agent)技术的远程分布式安全应用方案。
2.This application report describes and characterizes secure communication systems over the Public Switched Telephone Network (PSTN).介绍了一种用 DSP设计的基于公用电话交换网络 (PSTN)的安全通信系统 ,整个方案主要用于保证语音、数据和传真等三种通信的安全。
延伸阅读
数字保密电话自动交换网数字保密电话自动交换网digital secure telephone automatic switched network shuzi baomi dianhua zidong iiaohWQflg数字保密电话自动交换网(digitcure telePhone automatic switehed netwc采用数字加密、数字传输和数字交换的保密自动电话网。主要特点是:用用数字保密终端，实现端到端全程数密;用户密钥可采用自动分配方式;盼se-:)抹操咖奸 ┌───┐ ┌──┐│密钥 │ │保密││分配 │ │终端││设备 │ │设备│└───┘ │ │┌───┐┌───┐ │ ││令捧 ││，群路│ │ │├───┤│保密机│ │ ││设备 ││ │ │ │└───┘└───┘ └──┘ ┌──┐ │保密│┌───┐┌───┐ │终端││交换. ││.群路 │ │设备││设备 ││保密机│ │ ││ │└───┘ │ │└───┘ └──┘ ┌───┐┌──────┐ │密钥 ││网络管理设备│ │分配 │└──────┘ │设备 │ └───┘ 数字保密电话自动交换网组成示意图线可进行二次群路加密，具有很高的性能。数字保密电话自动交换网以保话为主要业务，也可以提供保密的传纂据和图像等综合业务，在军事上主要保障战略、战役指挥。 数字保密电话自动交换网主要由终端设备、交换设备、密钥分配设备、保密设备、数字传输设备和网络管理组成。数字保密电话自动交换网通常一级汇接交换、二级长(途)市(内)合德沌数汗瘤璐洛佣交端交采交佼换端用数字保密电话自动交换网综合交换机钟明摄换和三级l交换的三】换体制;也用一级汇{换、二级终;换的两级二体制。 保密赓设备的利是:在发立将模拟信」字化并进潇密处理，爹变换成适弓道传输的下形式;在收，数加后信号摸拟全机、电话卜开，备配话线。
