Real World Technology Solutions incident
CloudPBX calls failing after -30 seconds
Resolved after 1 hour 9 minutes, affecting CloudPBX, on January 15, 2026.
What happened: Some voice calls were disconnecting approximately 30 seconds after being answered. Who was affected: A subset of users connecting through certain network configurations (carrier-grade NAT). Root cause: A network address handling routine was not correctly processing connection details for some network topologies, causing call signalling to be misdirected due to a change to enhance logging for certain transactions. Resolution: Configuration updates have been applied to correctly handle all NAT scenarios. Normal service has been restored.
Affected components
Update timeline
- investigating Jan 15, 2026, 02:27 AM UTC
We are investigating where some calls are failing after ~30 seconds
- identified Jan 15, 2026, 03:13 AM UTC
We've identified an issue affecting calls with certain versions of the CloudPBX App and are working on a fix.
- identified Jan 15, 2026, 03:26 AM UTC
We are continuing to work on a fix for this issue.
- resolved Jan 15, 2026, 03:37 AM UTC
What happened: Some voice calls were disconnecting approximately 30 seconds after being answered. Who was affected: A subset of users connecting through certain network configurations (carrier-grade NAT). Root cause: A network address handling routine was not correctly processing connection details for some network topologies, causing call signalling to be misdirected due to a change to enhance logging for certain transactions. Resolution: Configuration updates have been applied to correctly handle all NAT scenarios. Normal service has been restored.
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