<!--
{
  "availability" : [
    "iOS: 26.3.0 -",
    "iPadOS: 26.3.0 -",
    "macCatalyst: 26.3.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "CoreTelephony",
  "identifier" : "/documentation/CoreTelephony/CTSlicingManager/TrafficClass/responsiveData",
  "metadataVersion" : "0.1.0",
  "role" : "Case",
  "symbol" : {
    "kind" : "Case",
    "modules" : [
      "Core Telephony"
    ],
    "preciseIdentifier" : "s:13CoreTelephony16CTSlicingManagerC12TrafficClassO14responsiveDatayA2EmF"
  },
  "title" : "CTSlicingManager.TrafficClass.responsiveData"
}
-->

# CTSlicingManager.TrafficClass.responsiveData

A traffic class for interactive data that requires quick response times.

```
case responsiveData
```

## Discussion

The responsive data traffic class optimizes for requests that people initiate and that benefit from low latency, such as web browsing, API calls, and interactive app features.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)