摘要
介绍了一个基于LSI403LPDSP芯片的小型VoIP网关的设计。它可提供4路RJ11接口供传统电话机接入,1路RJ-45接口连接Internet,还有一个RS-232接口供系统程序维护与升级。使用这种VoIP网关后,可使小型企业或家庭用户方便快捷地接入Internet,直接进行语音通信,不但便捷而且经济。给出了硬件和软件的结构设计。
This design is focusing on a VolP gateway based on the LSI403LP DSP chip. This gateway can provide services for four common telephones access to the Internet quickly, instead of using the devices of the telecommunication operator. It has four RJ-11, 1 RJ-45 and 1 RS-232 interfaces. Using this VoIP gateway, the home subscriber and the small size companies can save a lot of money as well as access to the Internet quickly. Details about the hardware and software design are given.
出处
《电声技术》
2005年第11期32-35,共4页
Audio Engineering
