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Incidents across areas

MMS 10DLC Delays Incident, Outbound - AT&T

Incident Report for Bandwidth

Postmortem

Bandwidth has concluded its investigation of this issue and determined that between 16:00 - 23:45 UTC, outbound MMS messages to AT&T subscribers encountered minimal delays in delivery.

Due to the limited scope of impact, Bandwidth is closing this incident and this will be the extent of the information we will provide for this issue. If you have any questions, please contact us through the Bandwidth support portal.

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.

Posted Oct 31, 2025 - 12:24 EDT

Resolved

This incident has been resolved.
Posted Oct 28, 2025 - 20:46 EDT

Monitoring

Teams are observing expected MMS behavior and will monitor for stability
Posted Oct 28, 2025 - 19:32 EDT

Identified

Teams have identified the source of this incident as an off network impairment. We continue to work towards a resolution.
Posted Oct 28, 2025 - 17:27 EDT

Investigating

Bandwidth teams are investigating an incident impacting outbound MMS 10DLC delays towards AT&T destinations.
Posted Oct 28, 2025 - 16:02 EDT
This incident affected: United States Messaging Services (MMS Messaging (MM4)).