Voice mall canceled

My wife's voice mail was canceled by Vodacom we have phone on 08/02/16 at 19H00 they said it will be fine in one hour, we then must phone 121 and set it up. We did it still it said voicemail inactive. The next day we phoned again and again we were promised that it will take one hour then we must switch the phone off and on again and then we must phone 121 to set it up. It is now four hours later still the voice mail say the box is inactive we must phone 111 to activate it. How many times do we need to phone 111 to get it activated.