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Incidents across areas

Outbound SIP Auth Calling Incident

Incident Report for Bandwidth

Postmortem

Between February 4 04:00 - February 17 23:08 UTC, a small subset of customers encountered intermittent failure for outbound SIP Auth calls.

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 Mar 09, 2026 - 09:24 EDT

Resolved

This incident has been resolved.
Posted Feb 17, 2026 - 20:00 EST

Monitoring

Teams are observing expected calling behavior and will continue to monitor for prolonged stability.
Posted Feb 17, 2026 - 18:28 EST

Investigating

Bandwidth teams are investigating an intermittent outbound SIP Auth calling incident, where SIP Auth calls are failing to complete as expected. This is an intermittent issue.
Posted Feb 17, 2026 - 16:55 EST
This incident affected: United States Outbound Calling Services (Outbound Calling (SIP) - United States).