Retell AI: Call Transfer Failures
Affected components: End to End Calling - TelephonyPhone Call
Timeline of updates
- monitoring
Due to a technical issue, some calls experienced failures when performing cold transfers with agent numbers or warm transfers. This led to unexpected call drop-offs during transfer attempts. A fix is currently being deployed to resolve the issue. Impact window: May 19, 1:44 PM PDT – ongoing
- resolved
This incident has been resolved. We are working internally to add more test cases to prevent this from happening.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.
How the archive is checked, and what it cannot prove.
This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).