Telkom's poor service

Acc no: ********** 18 - I.E.Terblanche refers:

We cancelled our services the 19/02/2018 at ********** wasn't cancelled and our bill keeps on escalating On the 19th of April 2018 we forward the cancellation again to ********** keep on increasing my balance.We forward it again on 26/11/2018 with no success.They just keep on adding interest etc.