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；
This paper focuses on the design and realization of the covert communication system based on audio information hiding.
本文研究的是音频信息隐藏隐秘通信系统的设计与实现。
Based on the design and realization of DECT, the paper studies of the whole-set software and hardware design to fulfill the requirement of audio telecommunication and other data communication.
本文的主要研究工作是基于DECT的通信软件的设计与实现，实现了以满足语音通话和其他数据通讯需求的软硬件整体方案。
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