The making of the IC card public telephone system standards will play a positive role of guiding and promoting the popularization of new lC card technologies in the domestic public telephone services.
IC卡公用电话系统标准的制定，将对在我国公用电话业务中推广和使用IC卡电话新技术起到积极的指导和推动作用。
Introduces a remote monitoring-measuring system used for environmental protection based upon PSTN (Public Switched Telephone Networks).
介绍了基于PSTN(公共程控交换电话网络)的环保远程监测系统。
The long distance communication in the system is finished by using public telephone network and the MODEM techniques controlled by at orders.
该系统中的远程数据通信通过公共电话网络，使用由at命令集控制的MODEM调制解调技术来完成。
The E-TDMA-based GMH2000 fixed radio system developed by Hughes Network Systems (HNS) provides an effective local radio loop solution for the public telephone service.
休斯网络系统公司(HNS)的GMH2000固定无线系统是一个基于E - TDMA的系统，它为公用电话业务提供了最有效的无线本地环路的解决方案。
This invention refers to public telephone, data exchanging network system engineering tech.
本发明属于公用电话、数据交换网系统工程技术。
On the one hand, to realize the on-line real-time update program function in multi-channel public telephone fee system using the FLASH memory dynamic programming technology of micro-controller.
一方面利用嵌入式微控制器中FLASH存储器的动态编程技术，在多路公用电话计费系统中实现了在线实时更新程序的功能。
A new ECG teletransmission system based on embedded modem and public switched telephone network (PSTN) is presented, which consists of family unit, PSTN and center workstation.
本文介绍了一种通过嵌入式调制解调器与公共电话网实现心电数据远程传输的系统，系统由家庭单元、公共电话网和中心工作站组成。
This system can overcome the difficulty in managing the public telephone with man on duty for it, and provide an effective solution method for management department.
介绍了一种应用计算机集散控制技术和模块化结构技术的公用电话集中计费管理系统 。
It is most extensively used Lines of Communication to Public Switched Telephone Network (PSTN), hence the video surveillance system based on PSTN possesses widespread application prospects.
公共电话交换网(PSTN)是最广泛使用的通信线路，因此在PSTN线路上传输视频具有广阔的应用前景。
A serial of functions by the public telephone network are also described in this intelligent system, such as remote control, sound prompting, leave words and automatic alarm.
通过电话网实现了家电的远程控制，语音提示、留言和自动报警等功能。
A serial of functions by the public telephone network are also described in this intelligent system, such as remote control, sound prompting, leave words and automatic alarm.
通过电话网实现了家电的远程控制，语音提示、留言和自动报警等功能。
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