Outage in Bandwidth
AT&T MMS Incident
Resolved MajorIncident Report
Summary AI Generated
Bandwidth experienced a 4-hour major incident causing outbound MMS messaging delays to AT&T destinations via MM4. The root cause was identified as an off-network industry condition outside of Bandwidth's infrastructure. Normal MMS delivery to AT&T was restored and the incident was resolved after a period of stability monitoring.
Bandwidth teams have identified an incident impacting outbound MMS messaging delays in delivery. Teams are working to restore expected MMS delivery.
Components affected
Bandwidth MMS Messaging (MM4)Trusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
about 21 hours ago - at 09/23/2026 08:02PM
This incident has been resolved.
MONITORING
about 22 hours ago - at 09/23/2026 07:18PM
Teams are observing expected MMS delivery towards AT&T. We will monitor for stability.
IDENTIFIED
about 22 hours ago - at 09/23/2026 06:41PM
Bandwidth teams have confirmed this is an off-network industry condition impacting MMS messaging to AT&T destinations.
IDENTIFIED
1 day ago - at 09/23/2026 04:06PM
Bandwidth teams have identified an incident impacting outbound MMS messaging delays in delivery. Teams are working to restore expected MMS delivery.
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