本文给出了一种以80C31为主控CPU的固定电话短信息终端的设计，从系统软硬件两个方面说明了固定电话短信息终端的设计方法和各个部分的工作原理

-This paper proposes a 80C31 CPU for controlling the fixed telephone short message terminal design, system software and hardware from the two showed that the fixed telephone short message terminal design methods and various parts of the work principle