# Telnyx: MMS Delivery Delays to AT&T Destinations

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-09-23 16:42 UTC · Resolved: 2026-09-23 19:54 UTC · Duration: 3.2 h
- Updates: 2 · Affected components: NORAM
- [Vendor status page: https://status.telnyx.com/incidents/01M37JATD5FD76Z3NB5SA52994](https://status.telnyx.com/incidents/01M37JATD5FD76Z3NB5SA52994)
- [Company: Telnyx](https://rewindex.com/company/telnyx.md)

## Timeline of updates

- **investigating** 2026-09-23 16:42 UTC: We are investigating delayed MMS delivery to AT&T destinations. Messages are being delivered, but with delays. SMS to AT&T and MMS to other carriers are unaffected. We are working with our downstream partner to identify the cause of the delay.
- **resolved** 2026-09-23 19:54 UTC: MMS delivery to AT&T destinations from 10DLC long codes returned to normal latency as of 18:30 UTC. Messages delayed during the incident were ultimately delivered; no resend is required.

## Rewindex changes for this incident

- 2026-09-23 16:42 UTC: [Major incident: MMS Delivery Delays to AT&T Destinations](https://rewindex.com/change/ia52bd96e054b0c.md)


---
Canonical: https://rewindex.com/company/telnyx/incidents/01M37JATD5FD76Z3NB5SA52994 · Markdown: https://rewindex.com/company/telnyx/incidents/01M37JATD5FD76Z3NB5SA52994.md · JSON: https://rewindex.com/api/v1/companies/telnyx/incidents/01M37JATD5FD76Z3NB5SA52994 · Generated 2026-10-19T21:09:59.861Z