ABORT           'BUSY'
ABORT           'ERROR'
ABORT           'NO DIALTONE'
TIMEOUT         30
''              '+++\c'
SAY             " + sending break"
'NO CARRIER'    'ATH'
SAY             "\n + dropping data connection"
OK              'AT+CGATT=0'
SAY             "\n + disconnecting from GPRS"
OK              '\c'
SAY             "\n + disconnected."