---
title: CTSlicingManager.AppCategory.communication
framework: coretelephony
role: symbol
role_heading: Case
path: coretelephony/ctslicingmanager/appcategory/communication
---

# CTSlicingManager.AppCategory.communication

An application category for voice, video calling, and messaging services.

## Declaration

```swift
case communication
```

## Discussion

Discussion Communication slices provide optimized routing for voice and video calling, messaging, and other real-time communication services. Use this category for VoIP, video conferencing, and instant messaging applications.

## See Also

### App categories

- [CTSlicingManager.AppCategory.gaming](coretelephony/ctslicingmanager/appcategory/gaming.md)
- [CTSlicingManager.AppCategory.streaming](coretelephony/ctslicingmanager/appcategory/streaming.md)