Sip Responses - Yealink SIP-T2 SERIES Administrator's Manual

SIP Responses

The following SIP responses are supported:
In the following table, a "Yes" in the Supported column means the header is sent and properly
Note
parsed. The phone may not actually generate the response.
1xx Response—Information Responses
1xx Response
100 Trying
180 Ringing
181 Call Is Being Forwarded
183 Session Progress
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
Supported
Yes
Yes
Yes
Yes
Supported
Yes
Yes In REFER transfer.
Supported
Yes
Yes
Yes
Supported
Yes
Yes
Yes
Yes
Appendix
Notes
Notes
Notes
Notes
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