I would suspect if you can figure out how to get it to do static nat outbound translations you might fix it...
From: sipx-users-boun...@list.sipfoundry.org [mailto:sipx-users-boun...@list.sipfoundry.org] On Behalf Of Tim Byng Sent: Monday, June 21, 2010 10:40 AM To: Nathaniel Watkins Cc: sipX Users Mailing List Subject: Re: [sipx-users] ISA 2004 Firewall Configuration Thanks for the response Nathaniel. There are plans to switch to pfsense by the end of the year. Until then, I was hoping I could get just the basics working through ISA (if possible with ISA 2004). This is just a backup line that hopefully we won't need to use. I'm OK if there are some limitations, such as the ones you mentioned. Any help getting it up and running on ISA would be appreciated. Thanks, Tim On Sun, Jun 20, 2010 at 2:03 PM, Nathaniel Watkins <nwatk...@garrettcounty.org> wrote: Tim - A couple things: 1) We use ISA 2006 internally (not for Sipx as of 6/17/2010) 2) We had it working 'reliably' for ITSP connections - however - we could NOT get the following to work reliably: * Inbound SIP URI dialing * Remote worker We just switched to pfsense based firewall for our sipx connection (we assigned another external IP address to the pfSense - it went very smoothly) - I actually IM'd Tony about this literally seconds after he replied to your post. Thanks for the help by the way. Bottom line - go pfsense if at all possible. I've been running sipx behind ISA 2006 for a while now - wish I'd put in the effort to get pfsense running from day 1 - would have saved me a lot of time - and it actually works (haven't tested remote worker yet - but hope to this week). Tony/Jim were both a great resource. Thanks again to you both. Nathaniel
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