Outage in Bandwidth
Messaging Delays - AT&T
Resolved MinorIncident Report
Summary AI Generated
Bandwidth experienced messaging delays affecting both inbound and outbound SMS and MMS traffic to and from AT&T destinations, impacting SMPP, MM4, and REST API messaging services. Teams identified the source of the delays and worked to restore normal messaging behavior with the carrier. The incident was resolved after 32.3 hours of investigation and monitoring.
Bandwidth teams are investigating an incident impacting Inbound and Outbound messaging delays to and from AT&T destinations. Teams are working to restore expected delivery with this carrier.
Components affected
Bandwidth SMS Messaging (SMPP) Bandwidth MMS Messaging (MM4) Bandwidth REST APIs - HTTP SMS Messaging Bandwidth REST APIs - HTTP MMS MessagingTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
1 day ago - at 05/12/2026 08:35PM
This incident has been resolved.
MONITORING
2 days ago - at 05/12/2026 12:50AM
Teams are observing expected network performance. We will monitor for stability.
IDENTIFIED
2 days ago - at 05/11/2026 06:45PM
Teams continue to investigate this incident.
IDENTIFIED
2 days ago - at 05/11/2026 03:02PM
Teams have identified the source of the delay and are working to restored expected messaging behavior.
MONITORING
2 days ago - at 05/11/2026 02:06PM
Teams are observing expected message deliverability at this time and will monitor for prolonged stability.
INVESTIGATING
2 days ago - at 05/11/2026 12:16PM
Bandwidth teams are investigating an incident impacting Inbound and Outbound messaging delays to and from AT&T destinations. Teams are working to restore expected delivery with this carrier.
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