BILLING

I have a week and a half ago called vodacom to enquire about my account REF: S3-8231F-FK1LO, they billed me for data bundles advising that I have activated this on my cell phone, I asked the lady that helped me how do this get activated on my cell, she let me hold on does not even know how to do this and just telling me that I did activate the bundles on my cell. I asked her to submit another enquiry only to tell me that they have send a sms to me guest what to the cell number Have Black listed gave them my new contact number and still they reply to me on a cell that is Black listed (Weill that tells alot about their competence) how did they expect me to get back to them with no message. I need proof that I have activated this on my cell, first I was told that I activated it on voice mail, I insisted that they play it back to me all of a sudden today I was told that I activated on my cell phone, I need that proof or I'll have to take this up with the ICASA. I even gave them my new number so that they can contact me and really they still send a sms to the BLACK LISTED PHONE. what is the use of Black listing the cell with them. Consultant that helped me does not even know the activat