I've been trying this out a bit for work, as well. My main issue when I first set it up was that the audio was cutting in and out really terribly. Turning off echo cancelation significantly improved the audio I was able to get. Basically you just have to set the following parameter in the config file:
server_audio_cancel=0
For more information, see this help article: https://support.parsecgaming.com/hc/en-us/articles/360001562772-Advanced-Configuration