SpectraLink i640 - Manual (Page 9)

SpectraLink Corporation SIP User Agent: Features and Standards
7. Supported Responses
Response Received? Transmitted?
100 Trying Yes Yes
180 Ringing Yes Yes
181 Forwarded Treated like 100 No
182 Queued Treated like 100 No
183 Session Progress Treated like 180 No
200 OK Yes Yes
202 Accepted Yes Yes
300 Multiple Choices Yes, terminates call, reissues
INVITE to new contact
No
301 Moved Permanently Treated like 300 No
302 Moved Temporarily Treated like 300 Yes
305 Use Proxy Treated like 300 No
400 Bad Request Yes, terminates call Yes
401 Unauthorized Yes, terminates call. reissues
INVITE or REGISTER request
No
403 Forbidden Treated like 400 No
404 Not Found Treated like 400 Yes
405 Method Not Allowed Treated like 400 Yes
407 Proxy Authentication Required Yes, terminates call, reissues
INVITE or REGISTER request
No
408 Request Timeout Treated like 400 No
415 Unsupported Media Yes, does not yet reissue request Yes
420 Bad Extension Yes, does not yet reissue request No
480 Temporarily Unavailable Yes, does not yet reissue request Yes
481 Call Leg Does Not Exist Treated like 400 Yes
482 Loop Detected Yes, ignored No
483 Too Many Hops Yes, ignored No
484 Address Incomplete Yes No
486 Busy Here Yes, terminates call Yes
487 Request Terminated Treated like 400 No
491 Request Pending Yes, does not yet reissue request Yes
500 Server Internal Error Yes, does not yet reissue request Yes, for INVITE if INVITE is
already in progress
501 Not Implemented Yes, but ignored Yes, if request method unrecog.
503 Service Unavailable Yes, terminates a call setup No
600 Busy Everywhere Yes, terminates a call setup No
603 Decline Yes, terminates a call setup Yes
Part Number: 72-1089-01-C.doc Page 9