摘要
描述了目前城市轨道交通公务电话系统的现状,分析了在技术、设计、管理等方面存在的问题,并通过对软交换技术应用于城市轨道交通适应性等方面的论述,提出了城市轨道交通公务电话系统建设的思路和建议方案,以提高系统投资的有效性和性价比。
The current situation of public telephone system in urban rail transit is described and the is-sues of technology, design, and management are analyzed. Through exploring the adaptability of soft switching in urban rail transit, the development thought and scheme of public telephone system in urban rail transit network are raised to improve the validity and cost-efficiency of the investment on the system.
出处
《铁道通信信号》
2012年第9期69-71,共3页
Railway Signalling & Communication
关键词
轨道交通
公务电话
软交换中心
Rail transportation
Public telephone
Soft switching center
