主要功能如题，具体功能内有文档介绍，相关协议也有具体说明，适合开发相关程序的人参考...

PDU Encoder This program demostrates my PDU Encoder and gives a convience way to get PDU Encoder by simply set some properties. This program is only a demo, so the code is not very well written. Maybe some bugs are hidden, and some cashed may happen.You can use this code as the base of your project.

短信网关接口源代码-SMS Gateway Interface source code

广东电信宽乐通信SDK开发实例(CSharp版),可全网发短信。-Guangdong Telecom wide Communication SDK to develop examples of music (CSharp version)

CMPP2API_Sample_CSharp

C#APIcmpp3模拟网关-C# APIcmpp3 simulation Gateway

联通短信协议sgip 1.2版本-Unicom SMS agreement sgip 1.2 version

txt file-txt file..........................

这一项目可以发送和接收短信，它也可以用来控制 4 个设备。收到的消息将显示在液晶显示器。 请点击左侧文件开始预览 ！预览只提供20%的代码片段，完整代码需下载后查看 加载中 侵权举报

编程（delphi）：GMCC SP-programming (delphi) : GMCC SP

手机短信二次开发接口-SMS secondary development interface