sip 响应码 列表

SIP Status Codes

The following are the SIP status codes as of RFC3261;

Table 1. 1XX-2XX Informational

100 Trying
180 Ringing
181 Call Is Being Forwarded
182 Queued
183 Session Progress
200 OK
202 OK


Table 2. 3XX Redirection

300 Multiple Choices
301 Moved Permanently
303 See Other
305 Use Proxy
380 Alternative Service


Table 3. 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
487 Request Terminated
488 Not Acceptable Here
489 Bad Event
491 Request Pending
493 Undecipherable


Table 4. 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
513 Message Too Large
580 Precondition Failure


Table 5. 6XX Global-Failure

600 Busy Everywhere
603 Decline
604 Does Note Exist Anywhere
606 Not Acceptable

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