<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2900.2523" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2>Chris,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I have a PIX with 6.3(4) and I have my Asterisk
behind a NAT works great. What I did have to do is shutdown all NAT config
in Asterisk. What was happening is Asterisk was putting my public IP on
the packets going out of my linux box and the PIX was trying to rewrite those
packets. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Here is what I removed in the sip.conf
file</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial>;externip = XXX.XXX.XXX.XXX ;
Address that we're going to put in SIP </FONT></DIV>
<DIV><FONT face=Arial>;nat=yes</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Chris Tuska</FONT></DIV>
<DIV> </DIV></BODY></HTML>