A number of IAX Phone users have reported a bug which causes the call to drop the audio stream after 65 seconds. The issue only seems to occur when both parties to the call are using IAX Phone or another iaxClient-based phone (DIAX, iaxComm, etc.) and when one or both legs of the call traverse a NAT. Steve Kann, master of iaxClient was kind enough to provide a fix for this issue. His update has been compiled into a new version of the IAX2 DLL file which can be downloaded here: http://www.sokol-associates.com/Downloads/wiax2.dll Instructions for updating your installation of IAX Phone are available here: http://www.sokol-associates.com/ Please try it out and let me know if you have any further issues. Thanks, Steve Steven Sokol Owner/Manager Sokol & Associates, LLC Phone: 816.822.1807 IaxTel: 700.613.9004 Web: http://www.sokol-associates.com