11.5. Response Codes
Below are the typical status codes returned by a GET
request targeting a Freebusy URL. Note that other HTTP status codes not listed here might also be returned by a server.
200 OK
302 Found
400 Start parameter could not be understood / End parameter could not be understood / Period parameter could not be understood
401 Unauthorized
403 Forbidden
404 The data for the requested principal is not currently available, but may be available later.
406 The requested format in the accept header is not supported.
410 The data for the requested principal is no longer available
500 General server error