SharpenCX incident
Investigating Issue with Inbound Calling in IZ1
SharpenCX experienced a major incident on July 22, 2026 affecting app.iz1.sharpen.cx and Inbound Voice, lasting 40m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jul 22, 2026, 10:30 PM UTC
We're currently investigating an issue affecting inbound calling in the IZ1 environment. Some customers may experience failed or dropped inbound calls during this time. Our team is actively working to identify the root cause. We'll post an update as soon as we have more information.
- monitoring Jul 22, 2026, 11:01 PM UTC
We've identified the issue affecting inbound calls to Classic Logic on IZ1 and applied a fix. Calls should be working again, and we're continuing to monitor to confirm full stability.
- resolved Jul 22, 2026, 11:10 PM UTC
Inbound calls routed to Classic Logic on IZ1 saw dead silence starting around 5:42 PM ET. Our team traced this to a database performance issue affecting voice processing and had it fixed by 6:56 PM ET. Calls are back to normal now.