Mobile file format

sundry|servicenumber|carrier|
callclass|billperiod|sdate_str|btxt_stime_str|
btxt_origin|btxt_destination|btxt_dialled|btxt_rate|dursecs|costinclgst|

sdate_str   --> can have CHARGE_DESC
btxt_origin --> can have CHARGE_DESC type

0403812126|VODAFONE||Apr 2004|CHARGE_DESC|000000|CALL|Usage Charges|||0|17.59|
0403812126|VODAFONE||Apr 2004|CHARGE_DESC|000000|RENT|
		Discount for tiered recurring charge|04/04/2004||0|-10.00|
0403812126|VODAFONE||Apr 2004|CHARGE_DESC|000000|RENT|
		Monthly GroupCHOICE Fee|05/04/2004 to 04/05/2004||0|1.82|
0403812126|VODAFONE|V2O|Apr 2004|11/03/2004|204808||
		VF to other Network NSW|0411223346|Off Peak|15|0.64|