1.
Design and implementation of VoIP-PSTN gateway based on embedded system
基于嵌入式技术的VoIP-PSTN网关的设计与实现
2.
Research and Implementation of Multi-PSTN Bluetooth Gateway System;
多PSTN蓝牙网关系统的研究及实现
3.
The Research of PSTN-LAN Gateway Based on FPGA and ARM;
基于FPGA和ARM的PSTN-LAN网关的研究
4.
Research and Implementation of Optimization Project for PSTN Network;
PSTN网络优化方案的研究与实现
5.
Design & Implementation of the PSTN Network Intelligence Scheme;
PSTN网络智能化方案设计与实现
6.
Design of Dual-network Integration(pstn+ adsl/ip)Video-phone Platform
双网融合(PSTN+ADSL/IP)可视电话平台设计
7.
Research on Protocols Related to PSTN in UMS;
UMS中与PSTN有关的协议研究
8.
A Three Level Smart Long-distance Remote Monitoring System by Using PSTN to Construct Network;
利用PSTN组网的远程分布式三给智能监测系统
9.
Software and Hardware Implementation of IPhone Based on PSTN Short Message Service;
基于固网（PSTN）短信业务的信息终端软、硬件实现
10.
Design and Implement of the Remote M&C Device Based on the PSTN
基于PSTN网络的远程监控装置设计与实现
11.
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。
12.
Development and Application of Automatic Stopping and Resetting Service System of PSTN in CTT Jilin Branch;
PSTN网络自动停复机系统在吉林铁通公司的开发应用
13.
The Technical Research of Real-time Data Communication System between Mobile Terminal (MT) and Remote Host Based on the Network of GSM and PSTN;
基于GSM网和PSTN网的移动终端和远程主机的实时数据通信系统的技术研究
14.
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。
15.
Internet Telephony and Interface to PSTN
Internet电话技术及其与PSTN的接口
16.
Designing and Research of Call System for Community Based on PSTN;
基于PSTN的社区求助系统设计与研究
17.
The Monitoring System Based on PSTN for Heating Power Stations;
基于PSTN的热力站远程数据采集系统
18.
The Research and Implemention of General Secure Telephone for PSTN;
通用PSTN安全电话的研究与实现