---
title: 'Sound files'
summary: 'Sound files is the dashboard that groups the three types of audio your PBX uses: Announcements, Music on hold, and Default music on hold.'
section: features
tags:
  - telephony
  - audio
  - reference
updated: '2026-06-17'
---

> **Sound files** is the dashboard that groups the three types of audio your PBX uses: **Announcements** (spoken-word audio for IVRs and call flows), **Music on hold** (calming audio for waiting callers), and **Default music on hold** (the tenant-wide hold-music default).

## Overview

Sound files is a navigational hub, not an entity of its own. Each card opens a dedicated entity page:

| Card | What it manages | Page |
|---|---|---|
| **Announcements** | Spoken-word audio referenced by IVRs and call flow steps. Uploaded recordings or AI-generated TTS. | [Announcements](announcements.md) |
| **Music on hold** | Audio loops played to callers in queues, on parked calls, during transfers. | [Music on hold](music_on_holds.md) |
| **Default music on hold** | The PBX-wide default hold-music file, used when no override is set. | [Default music on hold](default_music_on_holds.md) |

## What it does

The three categories differ by what the audio is for, not how it was created. All are audio files stored the same way (MP3, WAV, FLAC, AAC up to 20 MB, down-converted to telephony codecs at runtime), but the PBX offers them in the right context: an IVR's announcement picker shows only announcements, not hold music.

## See also

- [Announcements](announcements.md) - spoken-word audio files for IVRs, call flows, and multicasts.
- [Music on hold](music_on_holds.md) - hold music played to callers in queues.
- [Default music on hold](default_music_on_holds.md) - the tenant-wide hold-music default.
- [IVRs](ivrs.md) - the most common consumer of announcements.
- [Queues](queues.md) - the most common consumer of hold music.