摘要
地铁电话系统包括公务电话系统与专用电话系统两部分。实现的技术方案有两种:一种是建设各自独立的公务电话系统与专用电话系统,两个电话网络完全独立,硬件设备完全分离;另一种是建设公务专用合一的电话系统,用一套硬件设备实现两种电话业务。文章比较了这两种方案的特点,分析了地铁电话系统的发展趋势。
The subway phone system includes two parts： the service telephone system and the private telephone system. There are two implementation technical schemes： one is construction of independent service telephone system and private telephone system with completely independent telephone network and hardware equipment; the other is the construction of the integration telephone system with a set of hardware equipment to realize two kinds of telephone services. This paper compares the characteristics of these two kinds of schemes and analyzes the development trend of the subway telephone system.
出处
《湖南邮电职业技术学院学报》
2014年第1期17-20,共4页
Journal of Hunan Post and Telecommunication College
关键词
专用电话
公务电话
公专一体
地铁电话
private telephone
service telephone
integration of private telephone and service telephone
subway telephone
