|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2003年03 期
| 标题 |
| 软交换技术现状和发展趋势(39 卷) |
| 英文标题 |
| 摘要 |
| NGN核心技术软交换体现了业务、媒体与呼叫控制分离，体现了分层开放式结构。描述了几大供货厂商产品体系结构，指出了目前技术界要解决的问题及发展方向。 |
| 作者 |
| 新闻作者:周惠林 |
| 关键字 |
关键词:软交换〓NGN〓通信网 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 标题 |
| 软交换技术现状和发展趋势(39 卷) |
| 英文标题 |
| 摘要 |
| NGN核心技术软交换体现了业务、媒体与呼叫控制分离，体现了分层开放式结构。描述了几大供货厂商产品体系结构，指出了目前技术界要解决的问题及发展方向。 |
| 作者 |
| 新闻作者:周惠林 |
| 关键字 |
关键词:软交换〓NGN〓通信网 |
| COPYRIGHT©2001-2025 CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED，ALL RIGHTS RESERVED | ||
|
