WebAfrica Pathetic and Poor Customer Service of spending more than 3 months failing to resolve network issue.

Pathetic service as I have registered 3 months ago and my fibre does not work for Whatsapp calling. I tried for 3 months to make them fix the issue but have spend and wasted hours with consultant remotely not being able to resolved the issue as I cannot do or receive WhatsApp calls. What kind of customer service takes 3 months and still not be able to resolve a simple issue. I am thinking of cancelling the contract with them if they cannot be able to deliver on their promise as I am having issues on Business Whatsapp calls which I cannot able to make when my area I live rely heavily on whatsapp service as the network is bad.