does cell c know how to do thier jobs???

payd accounts cash this month as cell c does not know how to do their jobs there is 7 lines on the account with 2 bank accounts oke!!! every month they add things to different bank accounts - I went to pay cash and sent the proof to cell c yesterday I got a sms to tell me accounts has not yet been paid so I went to a store and the proof was sent from the store as well (supper great service from the store) and yet again cell c sms me to say my service will be suspended today should this happen I will cancel all 7 lines and go social and I will broadcast this on cell c facebook and twitter page I got the proof of mails send and payment slips so what will happen now ??? contact on ***