Affected components
Update timeline
- investigating Feb 17, 2026, 09:55 PM UTC
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.
- monitoring Feb 17, 2026, 11:28 PM UTC
Teams are observing expected calling behavior and will continue to monitor for prolonged stability.
- resolved Feb 18, 2026, 01:00 AM UTC
This incident has been resolved.
- postmortem Mar 09, 2026, 01:09 PM UTC
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.
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