Bandwidth experienced a major incident on October 5, 2026 affecting SMS Messaging (SMPP) and MMS Messaging (MM4), lasting 15h 14m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 05, 2026, 11:24 PM UTC
Bandwidth teams are investigating outbound messaging delays towards AT&T destinations. These delays may turn into messaging failures. Teams are actively working to restore expected messaging deliverability. Updates will be provided as they become available.
- monitoring Oct 06, 2026, 03:07 AM UTC
Teams are observing expected message deliverability, and are monitoring for continued stability.
- investigating Oct 06, 2026, 04:00 AM UTC
Bandwidth teams are investigating outbound messaging delays towards AT&T destinations. These delays may turn into messaging failures. Teams are actively working to restore expected messaging deliverability. Updates will be provided as they become available.