Comments
Some of these are
100 Trying
180 Ringing
181 Call Is Being Forwarded
182 Queued
183 Session Progress
Posted by HamidAliKhan
Ans) 1xx SIP response message are informational responses. Below are some examples
100 Trying
180 Ringing
181 Call Is Being Forwarded
182 Queued
183 Session Progress
Posted by Franklin