---
title: RCSMessage.Disposition.interworkingFailed
framework: TelephonyMessagingKit
role: symbol
role_heading: Case
platforms: [iOS 26.0+]
path: telephonymessagingkit/rcsmessage/disposition/interworkingfailed
---

# RCSMessage.Disposition.interworkingFailed

The carrier attempted to use a non-CPM technology to deliver the message, but failed.

## Declaration

```swift
case interworkingFailed
```

## Discussion

Discussion This disposition indicates that the carrier attempted to use a technology like SMS or MMS to deliver the message.

## See Also

### Accessing disposition values

- [RCSMessage.Disposition.delivered](telephonymessagingkit/rcsmessage/disposition/delivered.md)
- [RCSMessage.Disposition.deliveryFailed](telephonymessagingkit/rcsmessage/disposition/deliveryfailed.md)
- [RCSMessage.Disposition.displayed](telephonymessagingkit/rcsmessage/disposition/displayed.md)
- [RCSMessage.Disposition.interworkingDelivered](telephonymessagingkit/rcsmessage/disposition/interworkingdelivered.md)
- [RCSMessage.Disposition.deliveryFailedDueToDecryptionFailure](telephonymessagingkit/rcsmessage/disposition/deliveryfailedduetodecryptionfailure.md)