通过公网实现公安用户虚拟专用网技术方案

介绍了天津市通信公司北辰分公司成功地通过公共交换电话网为北辰公安分局用户交换机与天津市公安局及其他区公安分局用户交换机之间组成虚拟专用网,实现所属用户及分机拨“小号”互联互通,及公网不计费的技术方案、组网方式等。

Realization of the Technical Method of Police Subscriber Virtual Private Networks Via Public Networks

The paper introduced the virtual private network that made up among the subscriber's exchanges in Beichen Public Security Bureau,Tianjin Public Security Bureau and other districts'Public Secu rity Bureaus via public switching network that was done by Tianjin Communication Corp.Beichen Branch.It also pre sents to realize interworking by dialed"small number",technical scheme of no charge in public network and or-ganization network fashions.