Incorrect Billing & POOR SERVICE!

This is now the THIRD Hello Peter report that I am writing. MTN responded to my first two report, once again admitting fault - but still no follow up or Credit has been passed on my account. <br> <br> MTN continually overcharges my account. When I can get through to the call centre, they admit that they have overcharged me and promise to rectify and credit my account. Four months ago I did even receive a credit, however the same over charging issue persisted and I am now due further credits (three months worth - not two). I have called the call centre and been in email communication with MTN Customer Care - but am still deeply unsatisfied and out of pocket! Getting through to the Call Centre is impossible!<br> <br> MTN - I have continually asked just to be given a courtesy call - I don't understand why this basic level of service is so difficult. I demand that this matter be addressed by the SUPERVISOR of your Customer Care - my next step is to lodge a complaint with the Independent Communications Authority of South Africa.