Music on Hold
FusionPBX Music on Hold manages hold-music files and categories. Upload the file, assign the category where needed, reload the stream module for new categories, and test by placing a call on hold.
Helpful articles
Configure FusionPBX Music on Hold
uploading, editing, assigning, reloading, or troubleshooting music on hold categories and files.
Caller may say: music on hold, MOH, custom hold music, reload mod_local_stream, hold music on extension.
Do not use when: the issue belongs to a more specific FusionPBX feature path or is outside the Applications menu.
Agent should: confirm file format, category, domain/global scope, mod_shout/mod_local_stream needs, extension hold-music assignment, and test result.
Source
https://docs.fusionpbx.com/en/latest/applications/music_on_hold.html