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。
Then, the design and realization of embedded PSTN gateway and audio terminal are discussed, the realization of embedded software and PSTN gateway that supports multi-terminals are emphasized.
然后对嵌入式PSTN网关和语音终端的设计和实现做了阐述，着重讨论了嵌入式软件以及支持多个终端的PSTN网关的实现；
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。
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。
Firstly, bluetooth technique, bluetooth protocol stack and PSTN bluetooth Gateway are introduced and the problem of the exiting PSTN bluetooth technique is analyzed in this paper.
首先介绍了蓝牙技术和PSTN蓝牙网关的概念及研究现状，分析了现有PSTN蓝牙网关存在的缺陷，并详细介绍了蓝牙协议栈。
The intelligentized PSTN can create the conditions for providing abundant services, further excavate the potential capability of the PSTN, and revitalize the PSTN.
固网智能化为PSTN提供丰富业务创造了条件，能进一步挖潜PSTN的潜力，为PSTN赋予了新的活力。
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。
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。
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