Yealink T46G Administrator's Manual page 390

Yealink Skype for Business HD IP Phones Administrator Guide
2xx Response—Successful Responses
2xx Response
200 OK
202 Accepted
3xx Response—Redirection Responses
3xx Response
300 Multiple Choices
301 Moved Permanently
302 Moved Temporarily
4xx Response—Request Failure Responses
4xx 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
409 Conflict
410 Gone
411 Length Required
413 Request Entity Too Large
414 Request-URI Too Long
415 Unsupported Media Type
416 Unsupported URI Scheme
420 Bad Extension
376
Supported
Yes
Yes In REFER transfer.
Supported
Yes
Yes
Yes
Supported
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
Yes
Yes
No
No
Notes
Notes
Notes