SIP responses, class 5: Server failures
- 500 Server Internal Error
- 501 Not Implemented: The SIP request method is not implemented here
- 502 Bad Gateway
- 503 Service Unavailable
- 504 Server Time-out
- 505 Version Not Supported: The server does not support this version of the SIP protocol
- 513 Message Too Large
- SIP | SIP response codes | SIP response class1 | 2xx | 3xx | 4xx | 5xx | 6xx
April 7, 2023
Phone System 