I'm not getting any transmition from my VHF 1 or 2 in a350 even though Vpilot sees the frequency I set in aircraft. My VHF knobs are pulled out and I turned the volume to max. I can see that people are talking on frequency (RX light is blue in Vpilot) but I can't hear them. I have tried using different airbus aircraft from different developer company and it worked fine.