In the design of lan ip telephone , the author has participated in the follow works : the systemdesign ; select chips , make the schematic circuit and pcb board of the main data processing board and debug it . the fpga design , simulation and debugging of receiving part of lan ip main chip 我在项目中完成的工作:与项目组成员合作制定系统方案及根据要求选择芯片,设计数据处理主板,制作pcb板并加以调试;数据处理主板中的局域网ip电话机主芯片中接收部分的fpga设计、仿真和调试。