Welcome to Bandwidth's home for network updates. Here, you will find information pertinent to outages, scheduled maintenance, and general notices with real-time updates.
Between 10:05 - 20:11 UTC on November 4, outbound messages to AT&T subscribers encountered rejected DLRs and were unable to be delivered.
Bandwidth is continuing to investigate this issue to identify the root cause and 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.
Posted Nov 10, 2025 - 07:58 EST
Resolved
This incident has been resolved.
Posted Nov 04, 2025 - 16:08 EST
Monitoring
Teams are observing expected DLR behavior from this industry vendor. We will continue to monitor for stability.
Posted Nov 04, 2025 - 12:55 EST
Investigating
Teams continue to investigate this off-network incident.
Posted Nov 04, 2025 - 11:24 EST
Identified
Teams have identified the cause of DLR rejections as an off-network industry impairment. We continue to work with the provider to restore expected DLR behaviors.
Posted Nov 04, 2025 - 10:08 EST
Investigating
Bandwidth teams are investigating in incident where unexpected rejected DLR's from AT&T destinations are being received for outbound messages.
Posted Nov 04, 2025 - 09:10 EST
This incident affected: United States Messaging Services (SMS Messaging (SMPP), MMS Messaging (MM4)).
