From red advantage to PRE-PAID !!!

Our company have got a couple of contracts with Vodacom end of June we decided to move a remaining line from MTN to Vodacom (port) that took for ages to sort out, we went onto one of the u-choose packages but was not suffiecient so we migrated to the Red Advantage which kicked in 1/9/2015. Now all of a sudden the line was made pre-paid, what is going on, when i called the call centre the damn self service options is not helping at all and when i eventually got someone to help me they wanted to speak to the director, (his phone) is off due to the RICA requirements which was given to Vodacom when we app**** for everything. Please tell me Vodacom is not going to be like MTN. Can someone please get back to me. The cell phone number in question is ***