Specifications

Administrator’s Guide for SIP-T46G IP Phone
368
Method
Supported
Notes
To
Yes
User-Agent
Yes
Via
Yes
The following SIP responses are supported:
1xx Response—Information Responses
1xx Response
Supported
Notes
100 Trying
Yes
180 Ringing
Yes
181 Call Is Being Forwarded
Yes
183 Session Progress
Yes
2xx Response—Successful Responses
2xx Response
Supported
Notes
200 OK
Yes
202 Accepted
Yes
In REFER transfer.
3xx Response—Redirection Responses
3xx Response
Supported
Notes
300 Multiple Choices
Yes
301 Moved Permanently
Yes
302 Moved Temporarily
Yes
4xx Response—Request Failure Responses
4xx Response
Supported
Notes
400 Bad Request
Yes
401 Unauthorized
Yes