Hi All, i'm planning to SETUP 3CX for one of my customer, he need to install it in the Main branch and publish it through SOPHOS Firewall. i am trying to install this 3cx now in my lab to test it. but i'm having some problems, i am not able to pass by firewall checker process even i am not able to connect locally to the server from my android telephone. can anyone advise what's the full requirements to install and publish a 3cx phone system to used by ANDROID and iOS. thank you.