Vodacom becoming an ********* business

My wife was phoned last year by a vodacom call centre, and my she was not in position to talk, and ask the person not to phone her. The next month her contract was renewed and her bill much more. She only realised this when she went into a store to go request her contact renewal. The lady said her contact was already renewed.. My wife lodged query at vodacom in the Pavillion, and she received an sms stating the complaint was resolved the next day... Nothing changed. She was eventually able to renew the contract in store with a new phone, but the added service she didn't sign up for has not been removed, even after the store indicated it was resolved. 4 months later with 3 visits to the same store, and 1 attempt to phone 082135 to get this resolved, has not helped at all.. Each time she was told it has been resolved. My wife is a teacher and now having to pay R920 a month! Not sure what the next steps are besides warning any person not to deal with Vodacom... Red for freeking lots of red tape and daylight robory. When my wife initially asked for the recording whixh they claim she signed up for the service, they said she needed a court order to listen the recordig...