Music on hold (MOH) allows to select which file to use for MOH. Only wav and sln file formats are available for MOH. When using one or multiple files for MOH, you'll notice the file are not played from the beginning. This is made to save on resources, having only one process continuously playing MOH for all callers in the queues, listening to the same file. This configuration cannot be changed from the web interface

You can create your MOH file by clicking on New Music On Hold button. You need to give the name to your file and select the media file from drop down list (Please note that audio file must uploaded in Media files with .wav format) & click on Save button.

If you click on Default check box then the newly created MOH file will play for all resources.