Cell C and vumatel

Hi after I commended Cell C yesterday it seems that my internet is no longer working again. I was assured that Vumatel or someone would call me but I am still waiting. When I originally accepted Cell C as my ISP I was assured by the person Kenton, who did the installation that if I ever had an issue just to call him and if it could not be fixed remotely he would ensure that someone would come out and assist. I call the number he gave me as an escalation and he does not even respond ever. I see he reads the WhatsApp messages but does not respond and he does not call me back. Please can someone come to my house today and help me get this sorted out. I am sure that you are not deducting the money from the amount I owe you monthly for the days that its not available . Please can someone help us. I am not worried who is at fault whether its Cell C or Vumatel but between the two companies can we come together to offer a service