Bandwidth outage, 7 October 2026
SMS and MMS 10DLC Failure
- Started
- Resolved
- 8 Oct 2026, 03:05 UTC (after 5 h 13 min)
- Impact
- Minor
- Affected
- SMS Messaging (SMPP), MMS Messaging (MM4)
Last update from Bandwidth
Between 20:20 UTC on October 7, 2026 and 20:40 UTC on October 8, 2026, outbound 10DLC SMS and MMS messages towards AT&T destinations incorrectly failed to deliver due to an off-network condition labeling the messages as fraud. Bandwidth is continuing to investigate this issue to identify all actions necessary to prevent this from recurring and will update this post with an Incident Report after investigations have concluded. We are grateful you have entrusted Bandwidth as your communication partner and we are sorry if this issue resulted in any disruption to your services.
Read the full incident on the official Bandwidth status page
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