Multiplayer PA system in Unreal using VOIP

If anyone can help i’d appreciate it. I’ve been looking all over the internet and I can’t find much information on how to setup VOIP in Unreal.

Some of the info I did find ran through the setup but didn’t give a lot of working details. Like is there a difference when using Steam to connect to multiplayer? Can I pass through the audio from the player’s voice to other actors? How can I have Unreal check which Microphone is set as the input device?

Basically I’m looking to set up a system where players can talk over a PA system in game and for their voice to be heard over the whole level.