Change package without my concent and no Service

It has now been a full month since I phoned Vodacom querying about my contract package that was change without my consent. I phoned the call centre a few times and where I wanted to change it back and all they say is sorry we will sent it to the correct department and they will come back to me. Surprise, surprise up until today no phone call!!! I have been with Vodacom as my provider for more than 13 years and I have 7 contracts with them, but still I am receiving this service. I am not happy and I am rethinking to take my business some where else. I also requested to change some of my packages to hire ones and I was also told no sorry the accounts department will contact me. STIL NO response!!!! I am paying over R11 495 for my 7 contracts this is pathetic service. I am qualifying for a upgrade on one contract and that was also declined because I do the payment manual and not by debit order and it gets paid between the 5th and 7th each month. What the hell!!! I was told that if I change it to debit order then only can I do a upgrade after 3 MONTHS. I want to know what is going on ASAP!!! THE SERVICE IS BAD!!!!!!