Very bad service.

I need to mention that I am highly frustrated with the service of Telkom. I have been an excellent client, where i would notice that my debit order did not go through and I would notify them of this but then i'm told that i can make an easy pay with the amount owing and an extra 200, for what reason, i dont know or at this point i dont even care. I paid what I had to and still they were not debiting me then i called again and they said that I should contact my bank of which i did and my bank mentioned that everything is fine and that the issue is with Telkom. I also mentioned to them that I will be going through a salary reduction and if they were able to assist me with making my payments less until things are smooth again, they were unable to assist me, I managed to pay them and this meant that I could pay for my sons school things. Again I paid through easy pay with an extra 200 this was in December. January they did not debit me as well as Feb and now i am in arrears and can't seem to get hold of anyone. I feel that its not my duty to keep calling and reminding them that they haven't debited me, they have accounts for a reason. For me Telkoms service is disgusting. I have even sent them mails with bank statements to prove that there was funds in my account but they are not taking my money. I feel that they need to attend to my issue and resolve this matter fairly!!!!!!!