The Geek Stuff posted 5 Modem at command examples in Linux

AT commands are instructions that are used to control modems.

AT stands for ATTENTION.

These commands come from Hayes at commands that were used by the Hayes smart modems in 1980′s. Many modems today including dial-up, wireless, GSM/GPRS modems use these AT command set for communication.

  5 Modem At Command Examples in Linux (How to Configure Minicom)