MTN oxygen *******

useless pathetic service from so called service campions( more like oxygen *******). i have spoken to Sphamandla, i have spoken to So****po,, Jessica( supervisor), Kinsani, Nonkulu, Quinton, Nonhlahla, Ndumiso( supervisor) Zodwa, Busisile, Noah and non of them were able to assist me. CAN I STOP PAYMENTS UNTIL I GET ASSISTED. all i need is for some one of the useful persons to tell me the reason for me not being able to send SMS's from my number, i am paying for this service which gives me 200 sms's a month. ref: *** and REQ***