摘要
针对当前城市轨道交通对语音、数据、图像等综合业务的需求,从技术分析、功能定位、应用方案等方面介绍软交换技术,并与公务电话系统、专用电话系统、视频会议系统和办公自动化系统进行功能比较。通过在轨道交通新建城市中经济效益的分析,提出软交换在轨道交通中的应用前景。
In view of the current requirements of urban rail transit in voice, data, images and other compre-hensive business, soft switch is introduced from the aspects of technical analysis, functional orientation, application solutions, and compared with public telephone system, private telephone system, video conferencing system and office automation system. The application prospect of soft switch in rail transit ks highlighted in terms of the economic returns in cities which have newly built urban rail transit systems.
出处
《都市快轨交通》
北大核心
2013年第2期30-33,共4页
Urban Rapid Rail Transit
关键词
城市轨道交通
软交换
组网
下一代网络
公务电话系统
专用电话系统
视频会议系统
办公自动化系统
urban rail transit
soft switch
next generation network （NGN）
public telephone system
private telephonesystem
video conferencing system
office automationsystem
