Contract complaine

The service im receiving from telkom its unceptable, im not happy at all, month end of march i've made a payment ,paying for my instalment for the month of march ,ive cash paid via easypay number at woolwords and the following month as well month of April ..i did the same ,then in month of May i receive the montly instalment that im owing the for 2months ,ive made a call spoke to one consultant ,she told me that i must send the proof of payment she provided me with the emailadress to send the proof of payment ,i did send bt No responded was made ,telkom keep on derting my acc and adding some charges in my telkom bill ,the consultat told me they will give me the call and update me what happening ,no one responded on my equery ,and my bill keep on going up ,every month i'm the one who call telkom and check what happening ,the answer i will receive is wil call u back. Since in may waiting for the call until today ,i endup calling and asking my contract to be cancel , due to the service im receiving ...they gives me ref of cancellation and my contract was ending this month of November,bt stil telkom keep on charging me .i spoke with several consultant and other **** to me .i receive the poor service and im not happy im still waiting for my contract to be fixed and the respond course im not gonna pay until i know what happening .and i need my money to be reversed nd the chargings they where putting in my instaltment ...to be fixed then will take from there.....im so dissapoited shame of the service nd uhappy customer Thank you ...