Date,Billsec,Source,Destination,Clid
2009-02-02 13:16:00,0,942473279,34943665997,123455
2010-02-02 13:16:00,ertr,942473279,34943665997,234567
45ert5455,55,942473279,4530702311,234567
2009-02-05 09:59:04,58,942473279,3712etryw978,234567
2009-01-05 10:06:09,0,942473279,37129523181,234567666
2010-01-05 10:21:00,37,942573555,37129523555,5555555555
2009-01-05 12:36:22,40,942473279,34943665997,kkkk