482
SIP
482 Loop Detected
The server has detected a loop. The request was received with its own address in the Via header, indicating it has been forwarded back to itself.
Cuándo verás este código
When routing configuration causes a request to cycle between two or more proxies without reaching the callee.
Cómo solucionarlo
Review proxy routing tables and DNS records. Check for circular references in SIP routing. Fix the routing configuration to break the loop.