Did not suggest a way forward with video interview

I app**** to WeBuy cars for a vehicle buyer position. I did both the online assessment and the online video interview. They informed me that my audio in my video interview could not be heard. I re-did the interview 3 more times and all 3 times I tested my audio and it was fully functional. After all this they rep**** with a mail requesting telephonic assistance and asked If I would be fine with this. I agreed to this and after 5 Days of no response I sent them a mail asking them when we could pusue the matter, just by having a response telling me that I was unsuccesful with my application. So in other words they did not suggest a way forward and also did not consider giving me a fair chance to finish my video interview.