Configure custom music on hold
Teams provides default music to callers while they are on hold in a queue. The default music supplied in Teams call queues is free of any royalties payable by your organization. If you want to play a specific audio file, choose Play an audio file and upload an MP3, WAV, or WMA file.
You are responsible for independently clearing and securing all necessary rights and permissions to use any music or audio file with your Microsoft Teams service, which may include intellectual property and other rights in any music, sound effects, audio, brands, names, and other content in the audio file from all relevant rights holders, which may include artists, actors, performers, musicians, songwriters, composers, record labels, music publishers, unions, guilds, rights societies, collective management organizations and any other parties who own, control or license the music copyrights, sound effects, audio and other intellectual property rights.