Set up your Voicemail
Click on your initials/profile image in the top right corner of the Teams app and select Settings > Calls.
Under Voicemail, select Configure Voicemail.
Select Record a greeting to set up your voicemail message.
Check your Voicemail
Go to Calls > Voicemail. Here you can view to your voicemails.
Click on the voicemail to play the message. To return their call, click the three dots and select Call back.