一个短信smpp协议开发包源码，带COM控件-SMS SMPP protocol development of a source package with COM controls

c语言编写的GPRS短信收发程序,可在嵌入式平台上移植.-c language of GPRS messaging program, can be transplanted in the embedded platform.

基于GSM模块的短信收发的无线终端系统设计: 包含1个是VB编写的上位机发送程序，1个C语言编程的TC35i控制程序。-Send and receive SMS based on GSM module for wireless terminal system design: includes a host computer is written in VB to send the program, a C language programming TC35i control procedu