I am using sip_ua dart package for VOIP phone calls. I achieved one to one calls using sip. Server used : Asterisk Now I am trying to achieve conference calling for Android & iOS App. https://github.com/flutter-webrtc/dart-sip-ua/issues/189 Need solution for mixing two different MediaStream ( We are using only Audio ) for conference call. Above link mentioned js_binding solution for web only. Need help for Mobile App specific solution. Can we add tracks directly into RTCPeerConnection and it will work ? What's the best solution for this ? I am trying to find solution since few weeks. Please help. Continue reading...