OTA短信相关规范及格式定义，OTA短信主要用来实现手机与服务器的资料同步-OTA message and format of the definition of the relevant norms, OTA SMS mobile phone is mainly used to achieve data synchronization with the server

AT指令，用于GSM通信模块，可以发短信，打电话，接电话，上网等，我们的手机差不多也是用这个。-AT commands for GSM communication module, you can send text messages, phone calls, phone, Internet, etc., we also used the phone about this.

手机短信的获取，数据存取在sqlite中。-SMS access, data access in sqlite in.