Yealink SIP-T2 Series User Manual

Appendix
991
4xx Response
Supported
Notes
416 Unsupported URI Scheme
No
420 Bad Extension
No
421 Extension Required
No
423 Interval Too Brief
Yes
480 Temporarily Unavailable
Yes
481 Call/Transaction Does Not
Exist
Yes
482 Loop Detected
Yes
483 Too Many Hops
No
484 Address Incomplete
Yes
485 Ambiguous
No
486 Busy Here
Yes
487 Request Terminated
Yes
488 Not Acceptable Here
Yes
491 Request Pending
No
493 Undecipherable
No
5xx Responses—Server Failure
5xx Response
Supported
Notes
500 Server Internal Error
Yes
501 Not Implemented
Yes
502 Bad Gateway
No
503 Service Unavailable
Yes
504 Server Time-out
No
505 Version Not Supported
No
513 Message Too Large
No
6xx Response—Global Failures
6xx Response
Supported
Notes
600 Busy Everywhere
Yes

Yealink SIP-T2 Series Specifications

General

Brand	Yealink
Model	SIP-T2 Series
Category	IP Phone
Language	English