Telkom Worst customer service

Telkom is the worst company ever to take a contract with! my normal monthly amount is R469.00 i missed 1 payment and all of a sudden i owe them R1632.04 they deducted R938.00 from my bank account 31st May and another R694.04 on the 29th June today i get notification that my account is suspended due to non payment yet they have collected the outstanding amount plus more, i call the call centre today & get told that there is a turn around time with debit orders so it will only reflect my payment after the 15th this is the reason why my account has been suspended this is ridiculous! if they have internal turn around times then it should not be the customers problem addition to that the agent tells me there was an increase on the 1st July, i signed for a 24 month contract at a certain amount how can they now decide they are going to increase it without even notifying customers Telkom you are in breach of Contract and the worst customer service iv ever had to deal with, if i could give u 0 stars i would! thank goodness my contract ends in a few months because im done with you!!!! never again!