In this post I am going to discuss
about SIP Response codes. In the previous post we discussed about SIP messages.
SIP Response codes as the name says is a kind of response to any SIP message.
It can be a response to Invite message, Bye message or an Options message. We
have. 6 different classes SIP Response codes which we will discuss now.
1XX - INFORMATIONAL
RESPONSE
2XX - SUCCESSFUL
RESPONSES
3XX - REDIRECTION
RESPONSES
4XX - CLIENT FAILURE
RESPONSES
5XX - SERVER
FAILURE RESPONSES
6XX - GLOBAL
FAILURE RESPONSES
