pstn

pstn

1. 2M SDH digital circuit to be the active one, ISDN BRI analog line to be the on-line standby one by PSTN;

1，2M SDH电路为主用电路，ISDN BRI模拟线路通过PSTN接入作为备用电路。

2. 2M (E1) transmission lines are the basic primary blocks of PSTN in China, which are used for transmitting multiplexed voice and data.

2M（E1）传输线路是我国电信传输网一次群使用的传输线路，主要用于承载一次复用的话音数据，是电信传输网的基本单元。

3. Technical requirements and measuring methods for cordless telephone sets access to PSTN

GB/T17113-1997无绳电话机进网技术要求和测试方法

4. Internet Telephony and Interface to PSTN

Internet电话技术及其与PSTN的接口

5. Design and Implementation ofVoice Interaction System Between PC Terminaland PSTN in Intranet

Intranet PC终端与PSTN语音交互系统的设计和实现

6. The intelligentization of NGN will lead to the covering of PSTN users by NGN services, thus facilitating the seamless evolution and convergence of the PSTN users with the NGN users.

NGN智能化解决了PSTN用户享受NGN业务覆盖问题，将促进PSTN用户与NGN用户无缝演进和融合。

7. public switched telephone network ( PSTN )

PSTN

8. Full AF is not practical over the PSTN, as to much bandwidth is required.

PSTN上，全音频并不实用，因为所需的带宽太大。

9. Frequently, the medium that is used in the PSTN is copper.

PSTN中常用的介质是铜线。

10. SOME APPLICATIONS OF PSTN AS BACKUP LEASED-LINE IN SECURITY INDUSTRY

PSTN在证券行业作为备份线路的应用

11. The analysis of target cost of PSTN local telephone network

PSTN本地网目标成本分析

12. PSTN Evolution and IMS

PSTN演进与IMS

13. PSTN network

PSTN网

14. A Visual Multimedia Communication Terminal on PSTN

PSTN网上可视多媒体通信终端

15. PSTN net

PSTN网络

16. voice over PSTN

PSTN话音

17. Development of PSTN Speech Information Query and Service System

PSTN语音信息查询服务系统开发

18. Significance and Method of PSTN Deploying PINT Server

PSTN部署PINT业务的意义和方法

19. PSTN (local telephone system)/VSAT circuits for voice and e-mail capability.

PSTN（当地电话系统）/ 语音和电子邮件的小型卫星地面站（VSAT）电路功能。

20. Design and Realization of the Voice Gateway for SIP and PSTN

SIP和PSTN语音网关的设计与实现

21. UPT Service Set 1 is a restricted scenario that provides UPT service that supports provision of telephone service over PSTN, ISDN and PLMN networks.

UPT第一业务集是一有限阶段，它提供支持通过PSTN，ISDN和PLMN网络提供电话业务的UPT业务。

22. A cellular telephone system provides a wireless connection to the PSTN for any user location within the radio range of the system.

一个蜂窝电话系统可以为在该系统无线电收发范围内的任何用户提供一个到PSTN的无线电话连接。

23. A solution for alternating PSTN network element to NGN

一种PSTN网络设备的NGN改造方案

24. A New Secure Speech System Based on PSTN

一种基于PSTN的新型语音保密系统

25. Research of a New PSTN Fire Wall

一种新型电话防火墙的设计与分析

26. C/S was used between the two parts, and they communicated through PSTN.

中心和现场之间采用C/S模式的软件结构，通过PSTN通信。

27. In order to bring the SCDMA wireless local call system into commercial use, the Local Mobile Control Center(LMCC) that is based on wireless access network must be developed to connect with PSTN.

为了实现SCDMA无线市话系统的商用，需要在SCDMA无线接入系统的基础上开发与PSTN网络相连的本地无线控制系统。

28. In order to satisfy the higher and higher requests to multimedia technology of people, the digital videophone, which based on PSTN, is got development progressively.

为了较好地满足人们在通信领域对多媒体越来越高的需求，基于PSTN的数字可视电话技术也在逐步地发展起来。

29. PSTN and Internet integration

二网融合

30. The Solution of Interpenetration Intelligence Network for IP and PSTN Network-GDT OpenIN

互通智能网解决方案

31. Today's modern audio modems (ITU-T V.92 standard) closely approach the Shannon capacity of the PSTN telephone channels they use.

今天的现代语音Modem(ITU-T V.92标准)已经十分接近公共电话网(PSTN)电话信道的香农信道容量(Shannon capacity)。

32. It sends control signals to the remote control system connected with the controlled system,using the keys of telephone as command keys and PSTN as transmission line.

他采用电话机上的按键作为控制命令按键,以公用电话网作为传输线路,将控制信号发送给远地与受控设备相连接的远程控制系统。

33. The Digital Video Monitor System Based on PSTN

低成本视频监控系统

34. It can make your analog telephone ring for Skype or PSTN calls.

体积玲小，网络电话与市话两用合为一体；

35. As a winning approach in PSTN, IN will play an important role for IP telephony service provision.

作为一种在PSTN中得到成功应用的技术,IN将在IP电话增值业务提供中具有重要的地位。

36. PSTN (public switched telephone network)

公众电话网

37. puplic service telephone network (PSTN)

公用电话网

38. In the public switched telephone network (PSTN) age, people only could use the SMS and dial a telephone to communication.

其不只因为有著较传统电话更低的成本，同时也由于其能整合众多的网路服务。

39. Specific method of establishing Intranet with DDN and PSTN to join center LAN to remote LAN each other is accomplished,in which we use PSTN as backup connection of DDN to assure the transmission is not interrupted. It is of practical use.

利用 DDN、PSTN组建企业级 Intranet,实现中心局域网与远程局域网的互联 ,且使用 PSTN作为 DDN专线的备分线路 ,保证网络传输不中断 ,具有实用价值 .

40. Establishing intranet for enterprise with DDN and PSTN

利用DDN、PSTN组建企业级Intranet

41. Unload the Internet Traffic from PSTN

卸下PSTN网络的Internet负荷

42. Synchronous Digital Hierarchy (SDH) has become the primary transmission protocol for most PSTN networks.

同步数字层次结构(SDH)已成为大多数PSTN网络的主要传输协议。

43. Feasibility Discussion of the Local Switch-to-Remote Switch Unit Shift in the Process of PSTN Intelligence

固定电话网智能化中的端局模块化可行性探讨

44. PSTN Intelligence and Its Application in Jiangsu Railroad Telecom

固定电话网智能化及其在江苏铁通的应用

45. The Service and Implementation of PSTN Integrated Information Platform

固定网综合信息平台的业务及实现

46. intelligentized PSTN

固网智能化

47. Study on Innovation Services for Intelligentized PSTN

固网智能化创新业务的研究

48. short message system on PSTN

固网短信

49. The System Realization over the Technology of PSTN Short Message

固网短信技术及其系统实现

50. Research on PSTN Based Short Message Protocal and Implementation of Its Terminal

固网短消息协议的研究及终端的实现

51. PSTN (Public Switch Telephone Net) short message, which is recently introduced by China Telecom, is a non-voice value-added service.

固话短信是中国电信新近推出的一项基于固定电话网的非话音类增值业务。

52. Realization of Bluetooth PSTN Telephone Gateway on PC

在PC机上实现蓝牙PSTN电话网关

53. The wireless fax of CDMA (Code Division Multiple Access) net based G3-Fax, making use of CDMA wireless access technology, carry out the Group three file fax, which is used in PSTN (Public Switch Telephone Net) net as a rule.

基于G3 FAX的CDMA网络无线传真是利用CDMA网络无线接入技术实现通常在PSTN网上进行的三类文件传真功能。

54. Rate Control Scheme of the Video Encoder on the PSTN Channel

基于PSTN传输信道的视频编码器码率控制

55. Design of Alarming System Based on PSTN and Dual-high-frequency Coding

基于PSTN和双高频编码的报警系统设计

56. Research into Data Terminal Encryption Based on PSTN

基于PSTN的数据终端加密研究

57. Development intelligent protection alert and remote controlling system based on PSTN

基于PSTN的智能安防遥控系统研制

58. Research of Remote Controller Using Telephone Based on PSTN

基于PSTN的电话远程控制器的研究

59. Remote Terminal Equipment of the Video Monitoring System Based on PSTN

基于PSTN的视频监控系统的远端设备

60. The Research for the Traffic Video Monitoring System based on PSTN

基于PSTN的车流交通视频监测系统的研究

61. Design and Implementation of the Long-distance Control System Based on PSTN

基于PSTN的远程控制系统的设计与实现

62. The Monitor and Control System of Well's Water Supply Based on PSTN

基于PSTN网的井群供水远程监控系统

63. Design of remote video monitoring system based on PSTN

基于PSTN网的远程视频监控设计

64. The Design of Long-range Auto Control for Water Supply System Based on PSTN

基于公众电话网的远程自动供水系统设计

65. Development of CPE Based on the PSTN Network

基于固定电话网的中文短信息终端开发

66. Design of Video Monitor and Control System Based on PSTN

基于电话网的视频监控系统的设计

67. The Design of the Hydrologic Observation System Based on PSTN

基于通用MODEM区域水文资料遥测系统设计

68. The Core Software of the SMS terminals on PSTN based on the Black Board Structure

基于黑板结构的固网短消息业务终端核心软件

69. PSTN Public Transportation Operation Management,

大众运输营运管理

70. Way to Plan Phone Numbers of New PSTN Operator

如何做好新型固网运营商码号资源规划

71. If PSTN to PSTN is cheaper, it is more financially logical for your to offer a PSTN Gateway solution.

如果PSTN到PSTN更加便宜，那么从财政角度看，您选择PSTN网关的解决方案较为合理；

72. It may also contain additional network interfaces or other telephony interfaces that enable it to connect to an existing telephony network such as the PSTN.

它可能还包含其他的网络接口或电话接口,通过这些接口,IP PBX可以与现有的电话网络(例如PSTN)进行连接。

73. Unparalleled support for supplementary and enhanced PSTN services helps grow voice revenues.

它能强有力地支持、增强PSTN服务，帮助提高声音的接收。

74. Experiment shows that the proposed scheme is more suitable to the requirement of remote civilian systems on PSTN in both coding efficiency and algorithm complexity.

实验证明，所提方案在编码效率和算法复杂性方面较适合PSTN上的远程图象监控系统的要求。

75. Multiple access communication approaches are provided for field data, such as Infrared, PSTN and GSM networks.

对现场数据提供红外、PSTN、GSM网络多种通道通讯方式。

76. Approaches to Introducing ATM to PSTN

将ATM引入PSTN的途径

77. The implementation strategy of IIN on live PSTN, GSM and CDMA networks is also elaborated with examples of typical IIN services.

并以典型综合智能业务为例论述了如何在现有的PSTN/GSM/CDMA智能网上开展综合智能业务。

78. Originally a network of fixed-line analog telephone systems, the PSTN is now almost entirely digital and provides mobile as well as fixed telephone services.

当初，PSTN是一个固定线路模拟电话系统，但其现在几乎完全是数字化并且提供移动和固定电话服务。

79. Then I began to think how much a low cost PSTN phone is.

我就想啊，一个低成本的普通电话到底要多少钱呢？

80. It generally describes networks that natively encompass data and voice (PSTN) transmissions, as well as (optionally) additional media such as video.

所谓“下一代网络”，从字面上理解，应该是以当前网络为基点的下一代网络。