'ABORT' 'BUSY'
'ABORT' 'ERROR'
'ABORT' 'NO CARRIER'
'ABORT' 'NO DIALTONE'
'ABORT' 'Invalid Login'
'ABORT' 'Login incorrect'
'' 'AT'
'OK' 'AT+CGDCONT=1,"IP","3GNET"'
'OK' 'ATDT*99***1#'
'CONNECT' '
