Cisco Systems 1.3.0 Manuel D’Utilisation
SIP Response Messages
B-3
SIP Response Messages
SIP Response
Messages
Category
Messages
Category
The VOCAL system supports all SIP response messages:
•
•
1xx Responses - Information Responses
•
2xx Responses - Successful Responses
•
3xx Responses - Redirection Responses
•
4xx Responses - Request Failures Responses
•
5xx Responses - Server Failure Responses
•
6xx Responses - Global Failure Responses
For More
Information
Information
Refer to the SIP RFC 2543 for a list of the status codes and their reason
codes:
codes:
http://www.ietf.org/rfc/rfc2543.txt
1xx and 2xx
Responses
Responses
1xx SIP response message are informational responses:
•
•
100 Trying
•
180 Ringing
•
181 Call Is Being Forwarded
•
182 Queued
•
183 Session Progress
•
200 OK
3xx Responses
3xx SIP response message are redirection responses:
•
•
300 Multiple Choices
•
301 Moved Permanently
•
302 Moved Temporarily
•
303 See Other
•
305 Use Proxy
•
380 Alternative Service
4xx Responses
4xx SIP response message are client error responses:
•
•
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