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| 基于信令网关的自动外呼系统设计 | |
| 引用本文： | 冯冼,冯建湘,徐建文.基于信令网关的自动外呼系统设计[J].计算机工程,2010,36(11):221-222,225. |
| 作者姓名： | 冯冼 冯建湘 徐建文 |
| 作者单位： | 1. 湘潭市气象局,湘潭,411100 2. 湖南科技大学计算机科学与工程学院,湘潭,411201 3. 晋城市气象局,晋城,048000 |
| 基金项目： | 湖南省气象局科研基金资助项目(200808)；湖南省教育厅科研基金资助项目(07C270) |
| 摘 要： | 介绍一种采用信令网关构建大容量自动外呼系统的设计过程及关键技术。该过程包括系统的硬件架构、软件系统设计。关键技术包括设备控制、呼叫调度与管理、大批量号码存取等。与已有的电话外呼系统相比，该系统具有容量大、效率高、成本低、易于维护等特点。应用结果表明，该系统运行稳定可靠，具有较高的推广应用价值。 |
| 关 键 词： | 自动外呼系统 管理 程控制 室软件设计 |
Design of Automatic Calling System Based on Signaling Gateway |
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| FENG Xian,FENG Jian-xiang,XU Jian-wen.Design of Automatic Calling System Based on Signaling Gateway[J].Computer Engineering,2010,36(11):221-222,225. | |
| Authors: | FENG Xian FENG Jian-xiang XU Jian-wen |
| Affiliation: | ZHANG Jian-ying, LIN Min-hong, WANG Xiu-kun (Department of Computer Science and Engineering, Dalian University of Technology, Dalian 116024) |
| Abstract: | A transaction consists of a serial of operations, and has ACID properties. However, in large-scale distributed applications, the traditional transaction model is not applicable. A transaction model based on local closed world assumption, as well as data replication, is proposed. Its features, concurrency control and correctness are also investigated and demonstrated. This transaction model is illustrated with a teaching management system. |
| Keywords: | local closed world assumption transaction model concurrency control data replication |
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