Wifi fibre line

I have phoned vodacom since the 9th of December to come and move my fibre line its not a lot to ask its on the same premices just in a different building they won't call me back after i complained about 5-7 times they still dont come and do it I pay a load of money every month for my wifi but theres absolutly no customer care every time i phone them they just say hold on and never gets back to me im not happy with the cervice because i will pay for the second time now on the 1st of february and im without wifi for more then a month now what should i do to get vodacoms atention maybe i should just stop to pay for my wifi i would not recomend their sirvice to anyone if it goes on like this i will alsow stop my wifi at vodacom there is a lack of communication if they won't help me and i knew how to do it i would have do it myself but i don't know how to do it and thats why i pay them