Kurt Shintaku's Blog

Here’s a quick reference for dial pad commands within Teams Audio Conference calls:

Meeting Participants:

• Command Menu *1
  Press *1 to play the descriptions of dial-pad commands that are available.

• Raise/lower hand *5
  Press *5 to raise or lower hand.

• Mute/unmute *6
  Press *6 to mute or unmute themselves.

Meeting Organizers:

• Admit all *21
  Press *21 to admit all participants waiting in the lobby.

• Mute all *22
  Press *21 to mute all participants (except the organizer).

• Toggle Enter/Exit Announcement *23
  Press *23 to enable or disable Enter/Exit Announcement.

This is documented here:

• Teams Audio Conferences: What in-meeting dial-pad commands are supported?
  https://docs.microsoft.com/en-us/MicrosoftTeams/audio-conferencing-common-questions#what-in-meeting-dial-pad-commands-are-supported