Juan Andres Quiroga Monje
12/30/2025, 9:12 PMAI Evy
12/30/2025, 9:12 PMAI Evy
12/30/2025, 9:12 PMerror call status, check the disconnection_reason field on your calls. [(1) ]() Common error reasons include:
| Disconnection Reason | Description |
|---------------------|-------------|
| concurrency_limit_reached | Add retry with exponential backoff, or consider enterprise plan |
| no_valid_payment | No valid payment on file, or service shut down due to overdue bill |
| scam_detected | Scam detected for that particular agent |
| error_llm_websocket_open | LLM websocket did not open—likely incorrect Custom LLM URL or unreachable server |
| error_llm_websocket_lost_connection | LLM websocket connection broke during the call |
| error_retell | Unspecified Retell-side problem |
Immediate steps:
1. Check your account status in the dashboard—it could show "Verification Needed" or "Invoice Past Due" which would affect calls [(2) ]()
2. Use the [Get Call API]() or dashboard to view the specific disconnection_reason for your failed calls [(1) ]()
For urgent production issues, contact [support@retellai.com](support@retellai.com) .AI Evy
12/30/2025, 9:12 PMAI Evy
12/30/2025, 9:12 PM