List Of SIP response codes
Autor: Daniel Dallagassa | Publicado: 2011-04-27T06:59:00-07:00

SIP responses are the codes used by Session Initiation Protocol for communication. They complement the SIP Requests, which are used to initiate action such as a phone conversation. Note that the Reason Phrases of the responses listed below are only the recommended examples, and can be replaced with local equivalents without affecting the protocol.Contents    * 1 1xx—Informational Responses    * 2 2xx—Successful Responses    * 3 3xx—Redirection Responses    * 4 4xx—Client Failure Responses    * 5 5xx—Server Failure Responses    * 6 6xx—Global Failure Responses    * 7 External links 1xx—Informational Responses    * 100 Tryingextended search being performed may take a significant time so a forking proxy must send a 100 Trying response    * 180 Ringing    * 181 Call Is Being Forwarded    * 182 Queued    * 183 Session Progress 2xx—Successful Responses    * 200 OK    * 202 accepted: It Indicates that the request has been understood but actually can't be processed 3xx—Redirection Responses    * 300 Multiple Choices    * 301 Moved Permanently    * 302 Moved Temporarily    * 305 Use Proxy    * 380 Alternative Service4xx—Client Failure Responses    * 400 Bad Request    * 401 Unauthorized (Used only by registrars or user agents. Proxies should use proxy authorization 407)    * 402 Payment Required (Reserved for future use)    * 403 Forbidden    * 404 Not Found (User not found)    * 405 Method Not Allowed    * 406 Not Acceptable    * 407 Proxy Authentication Required    * 408 Request Timeout (Couldn't find the user in time)    * 409 Conflict    * 410 Gone (The user existed once, but is not available here any more.)    * 412 Conditional Request Failed    * 413 Request Entity Too Large    * 414 Request-URI Too Long    * 415 Unsupported Media Type    * 416 Unsupported URI Scheme    * 417 Unknown Resource-Priority    * 420 Bad Extension (Bad SIP Protocol Extension used, not understood by the server)    * 421 Extension Required    * 422 Session Interval Too Small    * 423 Interval Too Brief    * 424 Bad Location Information    * 428 Use Identity Header    * 429 Provide Referrer Identity    * 433 Anonymity Disallowed    * 436 Bad Identity-Info    * 437 Unsupported Certificate    * 438 Invalid Identity Header    * 480 Temporarily Unavailable    * 481 Call/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 (Could not decrypt S/MIME body part)    * 494 Security Agreement Required 5xx—Server Failure Responses    * 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    * 580 Precondition Failure 6xx—Global Failure Responses    * 600 Busy Everywhere    * 603 Decline    * 604 Does Not Exist Anywhere    * 606 Not AcceptableFrom Wikipedia, the free encyclopedia