Bandwidth experienced a minor incident on October 6, 2026 affecting Inbound Calling (SIP) - United States and REST APIs - HTTP Voice - United States and 1 more component, lasting 9h 33m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 06, 2026, 11:59 AM UTC
Bandwidth teams are investigating an Inbound Calling incident where a subset of inbound calls from the Lumen network are failing to connect to the Bandwidth network. Teams and this partner are working to restore expected calling services.
- identified Oct 06, 2026, 01:02 PM UTC
The source of this incident has been identified as an off-network condition. Bandwidth continues to work with Lumen as they work to restore their expected call handling behaviors.
- monitoring Oct 06, 2026, 08:19 PM UTC
Bandwidth teams are observing expected calling behaviors and will monitor for prolonged stability.
- resolved Oct 06, 2026, 09:33 PM UTC
This incident has been resolved.
- postmortem Oct 07, 2026, 11:19 AM UTC
Between 16:54 UTC on October 5, 2026 and 21:33 UTC on October 6, 2026, a subset of inbound calls from the Lumen network were failing to connect to the Bandwidth network. Bandwidth is continuing to investigate this issue to identify 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.