| 1. | 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 |
| 2. | A remote supervisory and control system by phone lines
利用电话网的远程通讯监控系统 |
| 3. | Ip phone terminal application based on broadband access
电话网的实现 |
| 4. | Electrical domestic appliance remote control system based on pstn
针对电话网的家电远程遥控系统 |
| 5. | Remote monitoring system based on pstn and its key techniques
一种基于电话网的远程监测系统及其关键技术 |
| 6. | Pstn public switched telephone network
公用交换式电话网 |
| 7. | Technical requirements and testing methods for ip telephony gatekeeper
Ip电话网守设备技术要求和测试方法 |
| 8. | Discussion on the network management system based on local telephone network
电信本地电话网网管系统浅议 |
| 9. | Pstn public switched telephone network
公众交换电话网 |
| 10. | Pstnpublic switched telephone network
公共交换电话网 |
