Quote 4. Will this work with my AV solution and firewall?
You should not experience any issues, although you may need to allow access to the application through your firewall. Details can be found in the log of your firewall. You will not need to do any port forwarding or advanced configuration.
X-Lite - UDP 8000
SIP - UDP 5060
RTP - UDP 35000-65000
hope this helps!