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采用公专一体化交换机能实现集公务电话、调度电话为一体的电话系统功能,能适应未来地铁通信发展的需要。本文阐述了公专一体化电话系统在地铁中的应用情况及其优越性,公专一体化电话系统是地铁通信电话系统建设改造的首选方案。
The use of public-private integration switches can be set to achieve business telephone, dispatching telephone system as one of the telephone system functions to adapt to the future development of subway communications needs. This paper describes the application of public-private telephone system in metro and its superiority. Public-private telephone system is the first choice for the construction and reconstruction of metro communication telephone system.