| ResponseCodes Enumeration |
Specifies SIP response codes.
Namespace: Ozeki.VoIP
Assembly: OzekiSDK (in OzekiSDK.dll) Version: 1.8.12.0 (1.8.12)
SyntaxMembers| Member name | Value | Description | |
|---|---|---|---|
| Trying | 100 | (100) This response indicates that the request has been received by the next-hop server and that some unspecified action is being taken on behalf of this call. | |
| Ringing | 180 | (180) This response may be used to initiate local ringback. | |
| CallIsBeingForwarded | 181 | (181) A server may use this status code to indicate that the call is being forwarded to a different set of destinations. | |
| Queued | 182 | (182) The called party is temporarily unavailable, but the server has ecided to queue the call rather than reject it. | |
| SessionProgress | 183 | (183) The 183 (Session Progress) response is used to convey information about the progress of the call that is not otherwise classified. | |
| OK | 200 | (200) The request has succeeded. | |
| MultipleChoices | 300 | (300) The address in the request resolved to several choices, each with its own specific location, and the user (or UA) can select a preferred communication end point and redirect its request to that location. | |
| MovedPermanently | 301 | (301) The user can no longer be found at the address in the Request-URI, and the requesting client should retry at the new address given by the Contact header field. | |
| MovedTemporarily | 302 | (302) The requesting client should retry the request at the new address(es) given by the Contact header field. | |
| UseProxy | 305 | (305) The requested resource must be accessed through the proxy given by the Contact field. | |
| AlternativeService | 380 | (380) The call was not successful, but alternative services are possible. | |
| BadRequest | 400 | (400) The request could not be understood due to malformed syntax. | |
| Unauthorized | 401 | (401) The request requires user authentication. | |
| PaymentRequired | 402 | (402) Reserved for future use. | |
| Forbidden | 403 | (403) The server understood the request, but is refusing to fulfill it. | |
| NotFound | 404 | (404) The server has definitive information that the user does not exist at the domain specified in the Request-URI. | |
| MethodNotAllowed | 405 | (405) The method specified in the Request-Line is understood, but not allowed for the address identified by the Request-URI. | |
| NotAcceptable | 406 | (406) The resource identified by the request is only capable of generating response entities that have content characteristics not acceptable according to the Accept header field sent in the request. | |
| ProxyAuthenticationRequired | 407 | (407) This code is similar to 401 (Unauthorized), but indicates that the client must first authenticate itself with the proxy. | |
| RequestTimedOut | 408 | (408) The server could not produce a response within a suitable amount of time. | |
| Gone | 410 | (410) The requested resource is no longer available at the server and no forwarding address is known. | |
| RequestEntityTooLarge | 413 | (413) The server is refusing to process a request because the request entity-body is larger than the server is willing or able to process. | |
| RequestURITooLong | 414 | (414) The server is refusing to service the request because the Request-URI is longer than the server is willing to interpret. | |
| UnsupportedMediaType | 415 | (415) The server is refusing to service the request because the message body of the request is in a format not supported by the server for the requested method. | |
| UnsupportedURIScheme | 416 | (416) The server cannot process the request because the scheme of the URI in the Request-URI is unknown to the server. | |
| BadExtension | 420 | (420) The server did not understand the protocol extension specified in a Proxy-Require or Require header field. | |
| ExtensionRequired | 421 | (421) The UAS needs a particular extension to process the request, but this extension is not listed in a Supported header field in the request. | |
| IntervalTooBrief | 423 | (423) The server is rejecting the request because the expiration time of the resource refreshed by the request is too short. | |
| TemporarilyUnavailable | 480 | (480) The callee's end system was contacted successfully but the callee is currently unavailable. | |
| CallDoesNotExist | 481 | (481) This status indicates that the UAS received a request that does not match any existing dialog. | |
| LoopDetected | 482 | (482) The server has detected a loop. | |
| TooManyHops | 483 | (483) The server received a request that contains a Max-Forwards header field with the value zero. | |
| AddressIncomplete | 484 | (484) The server received a request with a Request-URI that was incomplete. | |
| Ambiguous | 485 | (485) The Request-URI was ambiguous. | |
| BusyHere | 486 | (486) The callee's end system was contacted successfully, but the callee is currently not willing or able to take additional calls at this end system. | |
| RequestTerminated | 487 | (487) The request was terminated by a BYE or CANCEL request. | |
| NotAcceptableHere | 488 | (488) The session description such as the bandwidth, addressing type or codecs were not acceptable. | |
| RequestPending | 491 | (491) There is a pending request within the same call. | |
| Undecipherable | 493 | (493) The request was received by a UAS that contained an encrypted MIME body for which the recipient does not possess or will not provide an appropriate decryption key. | |
| ServerInternalError | 500 | (500) The server encountered an unexpected condition that prevented it from fulfilling the request. | |
| NotImplemented | 501 | (501) The server does not support the functionality required to fulfill the request. | |
| BadGateway | 502 | (502) The server, while acting as a gateway or proxy, received an invalid response from the downstream server it accessed in attempting to fulfill the request. | |
| ServiceUnavailable | 503 | (503) The server is temporarily unable to process the request due to a temporary overloading or maintenance of the server. | |
| ServerTimeout | 504 | (504) The server did not receive a timely response from an external server it accessed in attempting to process the request. | |
| VersionNotSupported | 505 | (505) The server does not support, or refuses to support, the SIP protocol version that was used in the request. | |
| MessageTooLarge | 513 | (513) The server was unable to process the request since the message length exceeded its capabilities. | |
| BusyEverywhere | 600 | (600) The callee's end system was contacted successfully but the callee is busy and does not wish to take the call at this time. The server has definitive information about a particular user, not just the particular instance. | |
| GlobalFailureDecline | 603 | (603) The callee's machine was successfully contacted but the user explicitly does not wish to or cannot participate. The server has definitive information about a particular user, not just the particular instance. | |
| DoesNotExistAnywhere | 604 | (604) The server has authoritative information that the user does not exist anywhere. The server has definitive information about a particular user, not just the particular instance. | |
| GlobalFailureNotAcceptable | 606 | (606) The session description such as the bandwidth, addressing type or codecs were not acceptable. The server has definitive information about a particular user, not just the particular instance. |
See Also