---
title: Audio Session Interruption States
framework: audiotoolbox
role: collectionGroup
role_heading: API Collection
path: audiotoolbox/1618425-audio-session-interruption-state
---

# Audio Session Interruption States

Identifiers used with the AudioSessionInterruptionListener callback function in iOS to indicate that an audio interruption has started or stopped.

## Topics

### Constants

- [kAudioSessionBeginInterruption](audiotoolbox/kaudiosessionbegininterruption.md)
- [kAudioSessionEndInterruption](audiotoolbox/kaudiosessionendinterruption.md)

## See Also

### Audio Session Support

- [Audio Session Property Identifiers](audiotoolbox/1618455-audio-session-property-identifie.md)
- [Audio Session Categories](audiotoolbox/1618427-audio-session-categories.md)
- [Audio Session Modes](audiotoolbox/1618405-audio-session-modes.md)
- [Audio Session Category Route Overrides](audiotoolbox/1618372-audio-session-category-route-ove.md)
- [Audio Session Activation Flags](audiotoolbox/1618357-audio-session-activation-flags.md)
- [AudioSessionInterruptionType](audiotoolbox/audiosessioninterruptiontype.md)