microcom -s 115200 /dev/ttyUSB2

AT^CURC=0   - disable diagnostic messages
AT+CMGF=1   - set text mode (not binary)
AT+CMGL     - list of new messages
AT+CMGL=?   - list of all messages numbers
AT+CMGR=1   - read message number 1
AT+CMGD=1   - delete message number 1

Links
    https://www.diafaan.com/sms-tutorials/gsm-modem-tutorial/online-sms-pdu-decoder/
    http://www.developershome.com/sms/resultCodes2.asp#16.2.1.1.Table
    https://github.com/pkot/gnokii.git