worst service ever

today is day 9 that i am unable to make or receive calls i am on a business contract with vodacom i have been to 3 of there shops and their regional office no one can resolve my problem i do not get any feedback at AL i must pay my account but cant use my phone i went and got a prepaid sim just so i can reach my clients and communicate very very disappointed with vodacom and wil never rever someone to use there service it is the worst *** is my prepaid nr