NO PHONE FOR MORE THAN A MONTH - after 5 attempts

My mobile phone displays NOT ON NETWORK since 14 June 2015 I have tried<br> - the call center 083 1 808 On 3 different days - no answer I just get cut off<br> - personal visit to MTN Sandton after an hour of waiting the guy said he will get the technitians to fix it in 2- 24 hours - no response<br> - 3 x email customer service queries logged - got reference numbers but no reponse<br> - another personal visit to MTN Brooklyn - swopped my sim card said 2 - 24 hours later will be fixed - still the same<br> MORE THAN A MONTH OF NO SERVICE -- WHY DO THEY DEDUCT MY MONEY VIA DEBIT ORDER ??