Back in my day we called that, push-to-talk. Everything old is new again.
Teamspeak guild, assemble!
Yea, gaming is miles ahead of everything in this area. It obviously doesn't focus on video too much, but audio and text are on point.
I've heard of a few companies preferring Discord over Slack or Teams right now exactly because gaming figured out so much of this decades ago and Discord prioritizing it works well for those companies.