Billing

Last month Novermber,I requested to upgrade my contract from DSTV family R199 to DSTV Compact R319 which didn't add-up because I was asked to pay over R500 for an upgrade because Im in arrears . which I disagreed on. after long argument with Tumelo,my Airtime got finished then call got cut off. He didn't even have decency to call back & find out if I still wanna upgrade. Later that day my upgrade was done without my concern & agreeing on the fees. As per the conversation we had i was told that if i didn't pay this amount in 24 hours my DSTV compact will be disconnected. I ended up paying for my DSTV Family. there comes a notification this month to saying I must pay R518, How come I dont know. Since 28/12/2015 I've been calling to get clarity but I was promised to be call back by Supervisor as they will still need to Investigate on the conversation i had with the Agent on 29/12/2015. It looks like its a hard thing to do. I spoke to Maxwel on Monday & yesterday Mbali both promised that the Supervisor will Return my call. nothing at all,i wonder how they work if they cant satisfy their client ,is it too much to ask? I'm very disappointed Really. Especially waiting to be called