Teams Mobile Device App

Test your microphone and speakers

Check your phone’s permissions and make a short practice call.

About 6 minutes Follow at your own pace

Before you start

0 of 8 steps done

Check mobile device permissions

Open the phone’s Settings app, then Apps and Teams. Open Permissions. The exact route varies between phone brands.
Allow microphone and camera access

Allow the Microphone while using Teams. Allow Camera if you want video. Return to Teams.
Open a colleague’s chat

Tap Chat, then open the colleague who agreed to test. If necessary, use New message to find their work account.
Make a short audio call

Tap the phone icon at the top of the chat. Wait for them to answer. This is a real call to the colleague, so arrange it first.
Choose the audio output

Tap the Speaker or audio-output button during the call. Choose the phone, speaker or connected Bluetooth device you intend to use.
Test both directions

Speak a short sentence and ask if it is clear. Ask the colleague to speak and adjust the phone’s call/media volume while they talk.
Check mute and video

Tap Mic to mute and unmute. A line through it means muted. If video is needed, turn on Camera and check that the colleague sees you.
End the practice call

Tap the red hang-up button. You are now ready to use the same headset and phone settings for the real meeting.

The desktop Make a test call button is not available in the mobile app.
Use a headset in a noisy environment. Keep the phone microphone clear of clothing or a cover.

My earphones are connected but sound comes from the phone

Choose the Bluetooth device from the call’s audio-output button and check the phone’s Bluetooth connection.

My microphone still does not work

Check your device’s microphone access, the Teams microphone permission and the mute button in the call.

Menu names can change as Microsoft updates the apps. These official pages include further instructions.