The VoIP servers are currently using the BSD firewall as their default gateway. We are trying to move everything off of the BSD onto the PA-2050 for easier management. We are currently using the PA-3020 between our Internet fiber and our Edge Router in transparent vWire mode. We want the PA-2050 to handle all of our NATs as the owner of the company does not want to have a single point of failure. The PA-2050 has been handling the NAT for several other servers (two web servers and two DNS servers) in our DMZ without any issues. Also, during the cutover, every other service (internet, emails, etc.) works without any issues. It's only the audio over VoIP that doesn't work.
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