Resolved after 2 hours 27 minutes, affecting Outbound Calling (SIP) - United States, on September 14, 2026.
Between 00:00 UTC and 08:13 UTC on 14th September, a subset of customers may have observed impairments to outbound SIP authentication TLS calls. 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.
Affected components
Update timeline
- investigating Sep 14, 2026, 06:10 AM UTC
Teams are investigating an incident impacting outbound SIP auth TLS calls. These calls may fail to complete as expected.
- identified Sep 14, 2026, 06:22 AM UTC
Teams have identified the incident and are working to restore expected network performance.
- resolved Sep 14, 2026, 08:38 AM UTC
This incident has been resolved.
- postmortem Sep 21, 2026, 12:25 PM UTC
Between 00:00 UTC and 08:13 UTC on 14th September, a subset of customers may have observed impairments to outbound SIP authentication TLS calls. 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.
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