这是一个通过手机串口实现短信发送的实例，采用pdu编码方式，VB开发语言实现的。

本文介绍了短信的原理和实现方法，重点说明了短信的编码方式、AT指令以及用C#实现串口通讯的方法-This article describes the principle and implementation of SMS, text messages highlighted the encoding, AT commands and serial communication with the C# method to achieve

通过串口与手机相联，以手机无线方式发送SMS。也可采用短信猫池代替手机，实现同时多发-Through the serial port associated with the cell phone to cell phone wirelessly to send SMS. Pool may also be used in place of the cat SMS phones, to achieve at the same time multiple