Hi,
Just downloaded the most recent version of the ISO install and it's using FreePBX 2.10rc1.0.
Under Settings -> Asterisk IAX Settings:
Audio Codecs
The form for the codecs has a bunch of <li> options for each codec, and they contain links which I guess are used by jQuery to trigger the events when they are clicked or moved. On the IAX page the links are <a href="a"> so whenever I try to select or deselect the codecs it gives me a 404 error.
On the SIP settings page the links are there but are <a href="#"> so they do not trigger a 404.
Proposed fix would be to change href to "#" on the IAX page as well, or at least preventDefaults in the triggered jQuery script.
I don't recall having a problem in prior version (using 2.9).
Thanks for the great work!