Its not so much for FreeSWITCH its for your phones to figure out their public IP so they don't lie when they register. http://sourceforge.net/project/showfiles.php?group_id=47735 /b On Oct 30, 2008, at 8:28 PM, Noah Silverman wrote: > Can anyone recommend a "best" open source STUN server to work with > FS?? > > Thanks, > > - N