lousy service

During October 2022, we were without a network for almost 3 weeks. when I first reported the problem, I was told that there network is up and that the fault is on my side. eventually it turned out that their equipment at the Hartbee****rt tower was faulty. I asked to speak to a senior manager - non were willing to discuss the situation with me. Our network has been off since this morning. I have spoken to four different agents at their call centre without success. apparently the problem is on my side. (but three different routers are not working. same old, sameold.