What do you need logs of? I posted that pastebin link for the log output on max verbosity. I do have auto-nat enabled.

******************************************* 
Brett Wilson
IT Department
Launch 3 Ventures, LLC
134 Myer Street 
Hackensack, NJ 07601 
Phone: 877.878.9134
Fax: 646.536.3866 
Email: Brett.Wilson@launch3.net
AOL IM: Brett.Wilson@launch3.net
www.Launch3.net
www.Launch3telecom.com
******************************************* 

From: Anton Kvashenkin [mailto:anton.jugatsu@gmail.com]
Sent: Thursday, August 16, 2012 10:20 AM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] Dropping calls after 40 secs

Must be NAT, but we can not tell you exactly cause you didn't provide any logs.

16.08.2012 18:11 пользователь "Brett Wilson" <brett@launch3.net> написал:

hello,
I am having issues with calls being dropped after about 40 secs. I just compiled and installed the latest fs. Here is log output: pastebin.com/abJJfLUi

*******************************************
Brett Wilson
IT Department
Launch 3 Ventures, LLC
134 Myer Street
Hackensack, NJ 07601
Phone: 877.878.9134
Fax: 646.536.3866
Cell: 973.650.7189
Email: brett@launch3.net
www.Launch3.net
www.Launch3telecom.com *******************************************

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