hello every one, i have voip box that connected directly to my phone provider and it use the 5060 tcp right now i work internal only witch 3cx, i have 2 qestions 1: how i use the soft phone out of the office? in vpn its work fine,witch port i need to open for the soft phone can connect over the wan? 2: i want to use second voip provider how can i use both? the will use the 5060 tcp? thaks. Yanir.