GSM 07.05通讯标准,GSM 07.05 communications standards

The "AT" or "at" prefix must be set at the beginning of each command line. To terminate a command line enter <CR>. Commands are usually followed by a response that includes.”<CR><LF><response><CR><LF>” Througho

详细的GSM通信协议，以及AT指令说明，对于短信猫开发很有帮助。-Detailed GSM communication protocols, as well as descr iption of AT commands for SMS cat development helpful.