SIP Response Messages
B-3
SIP Response Messages
SIP Response
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 Refer to the SIP RFC 2543 for a list of the status codes and their reason
codes:
http://www.ietf.org/rfc/rfc2543.txt
1xx and 2xx
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