Comments
We can use Unsniff to develop, debug, or test the IAX protocol (the native protocol used by the Asterisk open source PBX).Unsniff basically offers unmatched support for IAX and Asterisk analysis.
Posted by sagitraz
In IAX entire call is reinvited so one way should we very minimal. Well I would
suggest IP address not configured correctly, username and Password mismatch, check for
packet loss in the VOIP network (Routers/Switches). Finally check your firewall as well.
Posted by willie_jameson