Walkie Talkie application in Microsoft Teams – Microsoft Teams | Microsoft Docs

https://docs.microsoft.com/en-us/MicrosoftTeams/walkie-talkie#:~:text=Microsoft%20Teams%20The%20Walkie%20Talkie%20app%20in%20Teams,using%20the%20same%20underlying%20channels%20they%27re%20members%20of.