cmg公司的smpp sdk资料，包括全部详细的接口文档，和sample程序，vc语言版本。也包含了一些同用的smpp的资料。以前做smpp项目时积累下来的。-cmg' s smpp sdk, including all the detailed interface documentation, and sample programs, vc language version. Also contains a number of same using smpp information. Previous projects do smpp accumulated.