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3xx Responses - Redirection
Response
300 Multiple Choices
301 Moved Permanently
302 Moved Temporarily
305 Use Proxy
380 Alternative Service
4xx Responses - Request Failure
Note
All 4xx responses for which the phone does not provide specific support will be
treated the same as 400 Bad Request.
Response
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
410 Gone
413 Request Entity Too Large
414 Request-URI Too Long
415 Unsupported Media Type
416 Unsupported URI Scheme
420 Bad Extension
421 Extension Required
423 Interval Too Brief
480 Temporarily Unavailable
Supported
Notes
Yes
Yes
Yes
No
No
Supported
Yes
Yes
No
No
Yes
Yes
No
Yes
No
No
No
No
Yes
No
No
No
No
Yes
Session Initiation Protocol (SIP)
Notes
B - 7
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