3 Months and still no installation

3 months ago I placed an order for fibre to be installed. After 1,5 months a called to see what was taking so long and they said in spite of me having spoken to representatives at vumatel on numerous occasions that my application had been lost...no worries so I did it again... 2 gentlemen brought a form to my house which I filled in - they said it would take no longer than 4 working days for someone to contact me and schedule an installation date. A month has passed and still no call. I tried calling the call centre to follow up and get put through to Britelink where I wait on hold for ages for someone to answer who eventually does but immediately hangs up the phone countless times now. After reading the hundreds of poor reviews here I can see the generic apology reply doesn't seem to be fixing the problem.