【作者】 叶千枝；

【导师】 昂志敏；

【作者基本信息】 合肥工业大学 ， 电路与系统， 2006， 硕士

【摘要】 目前，在IP网络上实现语音数据的传输使语音通信变得方便快捷，费用低廉，随着时间的推移以及互联网的普及，网络语音产品必然将走入普通的家庭。网络语音产品的研制成为网络通信领域的一个研究热点。本文运用一种家用网关的研制方案，实现了网络语音产品的软硬件的开发和主要指标的测试。 产品的硬件开发采用了模块化的设计，针对主控制、VoIP、ADSL、Wi-Fi以及路由器等模块，选择一些设计方案，在其基础上进行电路的修改，并利用Protel DXP软件完成整个系统的电路图以及印制板的绘制。在软件上，为分解产品软件设计的工作量，需要分模块进行设计：包括应用控制、电话接口、用户接口以及H.323、SIP等模块。本文完成了在VxWorks操作系统上对家用网关H.323和SIP协议栈的移植。软硬件的分模块方式设计，使得家用网关的设计结构和框架都很清晰，给现行和后续的开发带来了方便。搭建一个家用网关测试环境，对产品的一些主要指标进行测试。 总之，在文章中运用多种关键技术，实现了一个集多种功能于一体的高端家用网关产品，这种产品将会在家用网关领域中得到很好的运用。更多还原

【Abstract】 At present, the realization of voice over the IP network makes the voice communication become more convenience and cheaper. Along with the process of time and the popularization of Internet, the network voice product will certainly come into the common family. The development of the voice communicating product is becoming a hotspot in the field of the network communication. Here, this essay uses a proposal of family gateway, in which the design of the communication voice product is implemented and main guidelines are tested.In the hardware development, the system is disparted into multimodules such as the main controlling module, VoIP module, ADSL module, wireless module and rounter module. Select some similar design proposal, and modify the circuit according to the proposal. Then the circuit diagram and printed circuit of system is accomplished using the software Protel DXP. In the aspect of software, the load of sofeware work is reduced adopting the design of modele, including the modules of application contol, the access of telephone, the access of user and the transplant of protocol stack and so on. In the essay, the work forcuses on the transplant of the BSP and protocol stack over the VxWorks embedding operating system. The design in this way makes the configuration and frame is very clear, thus which will bring convenience to present and continuous develop.The testing environment of the gateway product is builded, and then the main guidelines of product are testing.Therefore, it is the application of multi key technologies in the essay that makes the appearance of high-grade family gateway with multifunction, which will be a pet in this field.更多还原