Media gateway is used to encode and decode voice steam and connect PSTN network to the IP network.
利用媒体网关进行语音流的编解码，确保PSTN网和IP网络间的互通性；
The system is applicable in the testing of PSTN Network and the communication among all kinds of networks.
该系统适用于PSTN网的测试以及各种网络互通的测试。
NGN could provide more abundant operations than PSTN network, and could also realize amalgamation of many networks.
NGN能比原有的PSTN网络提供更加丰富的业务能力，并且能够实现多网的融合。
Conventional PSTN network can provide excellent voice-service quality, but it can't easily support new data service.
传统的PSTN网络，虽然能够提供优良的服务品质，但对新业务的支持却显得力不从心。
This article has expounded the integration of IP network and PSTN network, an integration of network with soft exchange as the core for the future.
文章阐述了采用软交换为核心的下一代网络实现网络的融合—IP网与PSTN网的融合。
Control network is the systematic information transmission channel. The paper introduces a solution to combine fixed PSTN network and wireless GPRS network.
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。
In addition, the transport layer allows IMS devices to make and receive calls to and from the PSTN network or other circuit-switched networks via the PSTN gateway.
此外，传输层允许IMS设备通过PSTN网关呼叫PSTN网络或其他电路交换网络和接收来自这些网络的呼叫。
As the architecture of next generation network, IMS has become a hotspots issue in the industry. In this paper, the evolution of PSTN network and the issue of IMS will be discussed.
IMS作为下一代网络的架构在业界已经讨论得非常火热，将探讨一下PSTN网络的演进和IMS问题。
The paper introduces the design and implementation approach of smart home network terminal based monolithic processor chip, and it accomplishes a remote smart home system through PSTN and Internet.
介绍了基于单片机的家庭网络终端的设计和实现方法，通过电话网络或互联网络实现了可以远程控制的智能家居系统。
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。
Furthermore, a novel technique solution is designed and implemented, deploying FPGA and embedded system, to achieve network communication between PSTN with Ethernet.
同时，设计并实现了一种新型的技术解决方案，分别采用FPGA技术和嵌入式系统完成PSTN侧和以太网侧的网络通信功能。
RAS is a network access server based on PHS and locates between PSTN and IP network. It realizes the functions of data communication with PHS.
RAS是基于PHS系统的网络接入服务器，位于PSTN网和IP网之间，它实现了使用PHS进行数据通信的功能。
This will allow the technician to point and click on any device to establish secure remote access via network or PSTN.
这将允许技术员点击任何设备上以通过网络或PSTN建立安全远程访问。
SIP/PSTN gateway is a device which interworks between IP network and PSTN.
PSTN网关是实现IP网络和公用交换电话网（PSTN）互联的设备。
The company establish connection with PSTN through a VOIP carrier's network.
公司通过VOIP运营商网络建立与PSTN连接。
Based on these excellences, user bring out network supporting Signaling System 7, achieving integrated multiplex equipment connecting PSTN and so on.
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。
The limited transmission rate available on the Public switched telephone network (PSTN) and on wireless networks presents a significant challenge to digital video communications.
这些应用对传输速率有限的公共交换电话网(PSTN网)和无线网络提出了重大挑战。
To adapt to the broadband and packetized network development trend, the digital SPG switching paradigm in PSTN should be gradually evolved to a combined ATM and IP service switching platform.
为了适应网络宽带化、分组化的发展趋势，PSTN中的数字程控交换要逐步演进为包含ATM交换和IP功能的综合业务交换平台。
The intelligent combination of advanced technology and the public switched telephone network PSTN offers greater possibilities of optimization and promotion of home.
先进的科技和公用电话交换网pstn的结合为智能化家居的优化和推广提供了更大的可能性。
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。
It has been found that this method can obtain better error resilient performance and can be applied in video transmission over Public Switch Telephone Network (PSTN) and wireless channel.
实验证明，此方法可取得较好的容错性能，可应用于公共交换电话网(PSTN)和无线信道上的视频传输。
With the progress of telecommunication technology, PSTN based on circuit switch technology is carrying out the transition to the Next Generation Network (NGN) increasingly.
随着电信技术的进步，基于电路交换技术的PSTN正逐步向下一代网络（NGN）过渡。
A new ECG teletransmission system based on embedded modem and public switched telephone network (PSTN) is presented, which consists of family unit, PSTN and center workstation.
本文介绍了一种通过嵌入式调制解调器与公共电话网实现心电数据远程传输的系统，系统由家庭单元、公共电话网和中心工作站组成。
Traditional IP phone must depend on PSTN or PC when working, so this thesis proposed a Design of Voice-Terminal for network-conference Based on DSP.
目前的IP电话都必须依赖传统的公众电话网（PSTN）或PC机来实现，针对这种现状，本论文提出了一种基于DSP技术的网络会议电话的语音终端系统实现方案。
The Video Conference can be implemented based on PSTN (Tele-video) or ISDN. However, the Video Conference based IP network has more advantages so that it can be more applied in remote education.
目前，用于远程教学的视频会议主要有桌面可视电话系统和基于ISDN的可视会议系统，但基于IP会议电视系统所具有的优越性，使其在远程教学中有更广阔的应用空间。
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.
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。
The access network and inter-exchange transport of the PSTN use synchronous optical transmission (SONET and SDH) technology, although some parts still use the older PDH technology.
PSTN中的接入网和内部交换台传送器采用的是同步光纤传输(SONET和SDH)技术，但也有某些地区仍采用过去的PD H技术。
So far, facsimile is mostly carried on PSTN (Public Switched Telephone Network), which brings numerous expenses together with the service.
目前传真业务主要在公共电话网上承载，这种传真业务的使用给企业带来了巨额的支出。
So far, facsimile is mostly carried on PSTN (Public Switched Telephone Network), which brings numerous expenses together with the service.
目前传真业务主要在公共电话网上承载，这种传真业务的使用给企业带来了巨额的支出。
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