单片机开发中，针对手机的AT指令集和说明，例如：

AT+CMGL=0　　读取电话上全部未读过的SMS消息

AT+CMGL=2　　列出已有的短信息

AT+CMGL=4　　读取全部SMS消息

AT+CMGR=X回车　　读取第X条短消息

AT+CMGF=0回车　　用PDU格式　　

AT+CMGD=X回车　　删除第X条短消息

-Microcontroller development, for mobile phones AT instruction set and instructions, for example:

AT+ CMGL = 0 on the phone to read all SMS messages are not read

AT+ CMGL = 2 has been short listed in the information

AT+ CMGL = 4 read all SMS messages

AT+ CMGR = X Enter X SMS messages to read first

AT+ CMGF = 0 PDU format with carriage return

AT+ CMGD = X Enter X SMS messages deleted