seamless switching of channels without delay

problem

• fast switching of interpretation channels is essential when interpreting multiple languages within one conversation
• even with fast TURN-Setup the connection times differ between users and are not constant or instant

solution

• to ensure seamless switching, we could cache the interpretation channels for the interpreters
  • participants excluded
• keep the channel active after first switching to an (speak-into) interpretation channel and reuse when coming back later
• use mute-controls like with the floor channel to