Issue in WebRTC Server connection in NodeJs

Hi, I am facing issue in WebRTC server setup in NodeJs. I am developing android application for video calling for my community. I have setup WebRTC server connection in NodeJs and than implement it in android through node api. I am facing issue in Voice Quality in both the connected peers. I had already tried all possible ways in android. As per my developer the issue are from Server connection side only. I am only finding solution. No matter if your are single, team or company I just need the solution of my server connection of WebRTC on nodeJs and get better voice quality in android side. For WebRTC, I am not using a third party tool like TokBox, Twilio, etc. It's using core WebRTC, so you should have really strong experience in using WebRTC for development of audio/video chat applications. Server Config: Linux CentOS 7 You have to fix all the bugs in WebRTC server connection. For the right person, this would be long-term work.