标准AT指令发送手机短信编程，PDU,TEXT方式，含GB 和Unicode编码互转程序-Standard AT commands to send SMS programming, PDU, TEXT way, with GB and Unicode encoding Hu Zhuan program

一个短信互转的代码，很好用，只是功能有些简单希望不要介意，主要是想就进来学习学习-Mutual Convert a text message code, easy to use, but features some simple hope not mind, I mainly want to come learn from