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PSTN信令通过使用手机产生的声调来开始或结束通话。PSTN signaling uses tones generated by the phone to begin or end a call.
智能网是为PSTN网络提供增值业务的主要解决方案。Intelligent network is designed for the increasing tax fares of PSTN network.
介绍了使用PSTN实现远程联网的方法。This paper introduces the method to implement the remote networking with PSTN.
图像经JPEG压缩后通过公众电话网进行远程传输。Still im-age is at first compressed by using JPEG algorithm, and then transfered via PSTN.
同时，第四章阐述了SIP与PSTN互通网关的设计方案。Besides, Chapter 4 provides the design of a gateway connecting PSTN and SIP-based IP network.
有许多不同种类的PSTN信令，包括在本地交换之间信号。There are many different kinds of PSTN signaling, including signaling between local exchanges.
这是一个电路连续，这就是电路调换机作为一种电路调换网络而着名。This connection is they circuit- which is why the PSTN is known as a circuit-switched network.
该系统不仅可用于PSTN，也可用于其它和PSTN类似的基于电路交换和网络本身没有保密的系统。This system is applied in not only PSTN but also non-security system based on circuit switched networks.
能够提供PSTN连接的vIPer电话，将在今年的3季度进行NSA认证测试。The vIPer, with PSTN Connect, will be submitted for NSA certification testing in the third-quarter of 2008.
另外，用户也可通过公共电话网和数字蜂窝移动通信网从电话和手机中得到环境监控报警信息。At the same time, the user may get information by telephone and mobile phone from PSTN and CMCC respectively.
介绍了一种基于PSTN的智能收费管理系统的功能、组成和工作流程。The function, formation and workflow of the PSTN based intelligent fee collecting management system is introduced.
介绍了一种基于PSTN的远程图象采集和传输系统的软件和硬件电路。This paper introduces the software and hardware of a remote image acquisition and transmission system based on PSTN.
呼叫切断是影响PSTN上传真业务质量的最主要因素之一。Call cut-off is one of the most important factors that affect the quality of service for facsimile applications on PSTN.
到目前为止，世界范围内的PSTN供应商已经投入了巨大的成本，包括建设、维护骨干网和用户环路。Up to now, PSTN providers have invested a lot of costs in building and maintaining their bone networks and subscribers cycle circuit.
当一个呼叫从内部到外部电话放在号码，交换机发送必要的信息提供者的SIP中继谁建立了调用拨打的号码，并作为为调用中介行为。The provider can also terminate PSTN numbers, and route incoming calls for those numbers back to the IP PBX over the SIP can also Trunk.
传统的PSTN是建基于客户住宅及本地交换机楼之间的一个类比连接，亦称为本地迴圈。The traditional PSTN was based on an analog connection between the customer premises and the local exchange, also called the local loop.
为实现对罐身电阻焊机的远程故障诊断，研制了一种基于公用电话网与PLC的专家系统。In order to implement fault diagnosis of can-body resistance welding machine in long-distance, an expert system based on PSTN and PLC was developed.
基于七号信令的上述优点，用户提出采用此信令实现综合复分接设备接入公众电话网等支持七号信令的网络。Based on these excellences, user bring out network supporting Signaling System 7, achieving integrated multiplex equipment connecting PSTN and so on.
在这样的背景下，中国联通开始在全国范围建设IP电话网，并很快形成了覆盖全国的IP电话网络。China Unicom under such background began to set up IP Public Switch Telephone Network nationwide, and has rapidly covered all the IP PSTN in the country.
控制网络是系统信息传输的通道，本文采用了有线的PSTN网和无线的GPRS网相结合的方案。Control network is the systematic information transmission channel. The paper introduces a solution to combine fixed PSTN network and wireless GPRS network.