简易手机软件系统，具有话音，短信等基本业务处理功能，用Telelogic Tau SDL and TTCN Suite 4.4完成，含完整开发文档，已编译通过-simple software system for cell phone,including basic function in processing vioce,SMS. Developed by using Tau SDL and TTCN Suite4.4,completed documentation and compiled.