SIP error code
SIP error code
| Code | Meaning |
|---|---|
| 1xx | Informational — request received, continuing to process the request |
| 2xx | Success — the action was successfully received, understood, and accepted |
| 3xx | Redirection — further action needs to be taken in order to complete the request |
| 4xx | Client Error — the request contains bad syntax or cannot be fulfilled at this server |
| 5xx | Server Error — the server failed to fulfill an apparently valid request |
| 6xx | Global Failure — the request cannot be fulfilled at any server. |
| Code | Meaning |
|---|---|
| 1xx Informational | |
| 100 | Trying |
| 180 | Ringing |
| 181 | Call Is Being Forwarded |
| 182 | Queued |
| 2xx Success | |
| 200 | OK |
| 3xx Redirection | |
| 300 | Multiple Choices |
| 301 | Moved Permanently |
| 302 | Moved Temporarily |
| 303 | See Other |
| 305 | Use Proxy |
| 380 | Alternative Service |
| 4xx Client Error | |
| 400 | Bad Request |
| 401 | Unauthorized |
| 402 | Payment Required |
| 403 | Forbidden |
| 404 | Not Found |
| 405 | Method Not Allowed |
| 406 | Not Acceptable |
| 407 | Proxy Authentication Required |
| 408 | Request Timeout |
| 409 | Conflict |
| 410 | Gone |
| 411 | Length Required |
| 413 | Request Entity Too Large |
| 414 | Request-URI Too Large |
| 415 | Unsupported Media Type |
| 420 | Bad Extension |
| 480 | Temporarily not available |
| 481 | Call Leg/Transaction Does Not Exist |
| 482 | Loop Detected |
| 483 | Too Many Hops |
| 484 | Address Incomplete |
| 485 | Ambiguous |
| 486 | Busy Here |
| 5xx Server Error | |
| 500 | Internal Server Error |
| 501 | Not Implemented |
| 502 | Bad Gateway |
| 503 | Service Unavailable |
| 504 | Gateway Time-out |
| 505 | SIP Version not supported |
| 6xx General Error | |
| 600 | Busy Everywhere |
| 603 | Decline (9) |
| 604 | Does not exist anywhere |
| 606 | Does not exist anywhere |
