---
title: CTSlicingManager.TrafficClass.background
framework: coretelephony
role: symbol
role_heading: Case
path: coretelephony/ctslicingmanager/trafficclass/background
---

# CTSlicingManager.TrafficClass.background

A traffic class for non-urgent background data transfers.

## Declaration

```swift
case background
```

## Discussion

Discussion Use the background traffic class for data that doesn’t require immediate delivery, such as backups, synchronization, and content prefetching. This traffic has lower priority and may experience higher latency.

## See Also

### Traffic classes

- [CTSlicingManager.TrafficClass.any](coretelephony/ctslicingmanager/trafficclass/any.md)
- [CTSlicingManager.TrafficClass.responsiveData](coretelephony/ctslicingmanager/trafficclass/responsivedata.md)
- [CTSlicingManager.TrafficClass.avStreaming](coretelephony/ctslicingmanager/trafficclass/avstreaming.md)
- [CTSlicingManager.TrafficClass.responsiveAV](coretelephony/ctslicingmanager/trafficclass/responsiveav.md)
- [CTSlicingManager.TrafficClass.video](coretelephony/ctslicingmanager/trafficclass/video.md)
- [CTSlicingManager.TrafficClass.voice](coretelephony/ctslicingmanager/trafficclass/voice.md)
- [CTSlicingManager.TrafficClass.signaling](coretelephony/ctslicingmanager/trafficclass/signaling.md)