Bandwidth experienced a minor incident on May 6, 2026 affecting SMS Messaging (SMPP) and MMS Messaging (MM4), lasting 13h 52m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 06, 2026, 11:53 PM UTC
Bandwidth teams are investigating an incident impacting P2P (non-10DLC) outbound messaging traffic towards AT&T destinations. Customers will see an increase in 4730 errors. Teams are working to restore expected messaging behavior.
- investigating May 07, 2026, 12:59 AM UTC
We are continuing to investigate this issue.
- investigating May 07, 2026, 02:51 AM UTC
We are continuing to investigate this issue.
- monitoring May 07, 2026, 06:12 AM UTC
Teams are observing expected delivery results. We are monitoring for stability.
- monitoring May 07, 2026, 12:56 PM UTC
Teams are observing expected delivery results. We are monitoring for stability.
- resolved May 07, 2026, 03:13 PM UTC
This incident has been resolved.
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