At group level in BroadSoft click Departments

Click Add and Name the Department and click OK

Now assign the users to the created Department by going to Profile on the left menu

Click Users and Search for the users you want to add to the Department

Select the User that you want to assign to the Department

Click Profile for the User and Assign the Department and click OK or Apply

Go to Group level, then Services on the left menu

Click Music/Video on Hold and Click Add

Select the Department in the dropdown box and click OK

Click on the Department that you want to upload Music on Hold for

Change the radio button to Custom Music/Video file, then use the Choose File button to upload the desired audio file, then click Apply or OK