Incorrect Billing from MTN Corporate

i am currently on an Hybrid Package with a fixed amount of billing for the last 4 months. My last 2 invoices are incorrect, i am billed for airtime and data inspite of me topping up when my normal package expires.<br> i have complained on numerous occassions to [Email Removed] however receive no response.<br> i tried calling the call,centre to cancel this contract and move to CELL C, the call centre number is not answered. MTN can you please call your customer to resolve this issue.<br> 07/06/2015 SHORT MESSAGE 17.60<br> 07/06/2015 CALL CHARGES 77.69<br> 07/06/2015 PACKET SWITCHED DATA CALLS 121.58<br> 07/06/2015 MULTI MEDIA MESSAGE 3.16<br> 07/06/2015 RECURRING INT 300MB DISC -74.56<br> 07/06/2015 RECURRING SMS300 DISC -39.47<br> 07/06/2015 MTNCHOICE200M SUBS FEE 254.39<br> 07/06/2015 300MB SERVICE FEE 74.56<br> 07/06/2015 PROMO SERVICE FEE 332.46<br> 07/06/2015 Recurring SMS Bundle 300 39.47<br> TOTAL EXCLUDING VAT 806.88<br> VAT AT 14.00% 112.95<br> TOTAL R 919.83<br> LAST SIX BILLING PERIODS<br> 12-2014 01-2015 02-2015 03-2015 04-2015 05-2015<br> R 489.00 R 753.99 R 649.00 R 649.00 R 649.00 R 790.04<br> <br> <br>