public switched network

The aim of the architecture is to serve all the telecommunication networks, including not only Public Switched Telephone Network ( PSTN), Narrowband Integrated Service Digital Network ( N-ISDN), but also mobile telecommunication network and Broadband IP Network.

这个体系结构的目标是为所有的通信网络服务，既可以为现有的电话网、窄带综合业务数字网（ISDN）服务，也可以为移动通信网和宽带IP网服务。

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In data communication, the connection through the public switched telephone network from a terminal to a service, network or computer.

数据通信中，通过公共电话交换网，实现一个终端和一个服务部门、网络或计算机的连接。

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It is popular to provide various infomation service on an intelligence terminal by the PSTN ( Public Switched Telephone Network).

利用PSTN固定电话网为用户提供多样化的信息服务，是当前的一个研究热点。

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Gateway is the key equipment for LAN telephone communicate with the Public Switched Telephone Network, it affect the performance of the system directly.

本网关是局域网电话和公共电话网互通的关键设备，它直接影响到整个系统的运行和性能。

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The number of telephone lines connecting the subscriber's terminal equipment to the public switched network and which have a dedicated port in the telephone exchange equipment.

连接用户终端设备和公用交换网并具有一个电话交换设备专用端口的电话线数。

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Connection to a data communications network through a public switched telecommunication network.

通过公用交换电信网连接到数据通信网络.

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USA phone Number A USA phone number is a numeric identifier used to call from one to another in a public switched telephone network.

USA电话号码USA电话号码是一个数字标识符，在公共转换电话网中一个人呼叫另一个人时使用。

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This Recommendation describes a high-speed terminal access to videotex services for use on the Public Switched Telephone Network ( PSTN).

本建议描述用于公众电话交换网（PSTN）的可视图文业务的高速终端接入能力。

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An Integrated Services Digital Network device on a public switched telephone network.

公用交换电话网上的综合业务数字网设备。

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A telecommunication line that links a private telecommunication system to the public switched network.

把专用通信系统连接到公用交换网上的一种远程通信[电信]线路.

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According to the widely dispersive water monitoring sites, a remote distributed monitoring system of water parameters is designed based on public switched telephone network.

针对环境水域分布广、地势复杂、监测分散的特点，设计了一种基于公共电话网的分布式远程水域质量监测系统。

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The number of lines and traffic of the Public Switched Telephone Network ( PSTN) network have also been decreasing.

公共电话交换网（PSTN）的线路和流量也在减少。

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