It is most extensively used Lines of Communication to Public Switched Telephone Network (PSTN), hence the video surveillance system based on PSTN possesses widespread application prospects.
公共电话交换网(PSTN)是最广泛使用的通信线路，因此在PSTN线路上传输视频具有广阔的应用前景。
For a cellular application, these improvements can lead to increased system capacity, smaller telephone size, increased talk and standby times, and greater acceptance of the product.
对于蜂窝网应用，这些改进可引起增加的系统容量、较小的电话机大小、增加的通话和待机时间以及较大的产品接受程度。
An intrinsically safe signal telephone system special for mine use is dealt with in this paper including its development, construction, design features and application results.
介绍了一种专为煤矿井下使用的本安型信号电话系统的研究和它的构成、设计特点及使用效果。
Speech recognition has a wide application future. It has made a full application in dictation machine, telephone inquiry system and home application control etc.
语音识别具有广阔的应用前景，已经在听写机、电话查询系统、家电控制等诸多领域获得到了充分的应用。
CK series Marine automatic telephone system is application for all kinds of vessels; It support automatic exchange service for auto telephone.
CK系列船用程控电话系统是为大、中、小型舰船提供整船内部电话服务的设备。
This paper introduces an advanced Internet telephone system-IPTEL. The principle, structure, functional performance and application of this system are presented.
文中介绍了一种先进的IP网络电话系统IPTEL，阐述了该系统的实现原理，系统的结构和功能特点，及其应用范围。
This paper introduces an advanced Internet telephone system-IPTEL. The principle, structure, functional performance and application of this system are presented.
文中介绍了一种先进的IP网络电话系统IPTEL，阐述了该系统的实现原理，系统的结构和功能特点，及其应用范围。
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