I have been using the software for a bit and besides some issues with beeping which was resolved by removing the binding to media server all seems well. Recently, inbound calls will not come in. My setup is FIOS -> switch ->router ->pbx server IP phones are also connected to the router All port forwarding is correct (as it was working) and I even tried moving the server to the DMZ on the router with no luck. I contacted the ITSP and they said my voip service is registered (it shows me this in the server logs on 3cx as well) and when passing the call to me and they were rejected from my side. I reset everything and cant figure this out. Outbound works fine. I know it sounds like NAT but nothing has changed from when it worked. Here are my router forwards: 1 VOIP-TFTP 69 69 192.168.1.2 2 VOIP-SIP 5060 5061 192.168.1.2 3 VOIP-RTP 8000 9998 192.168.1.2 4 PBX 5480 5482 192.168.1.2 5 VOIP-STUN 3478 3478 192.168.1.2 6 VOIP-INTERNAL 7000 7500 192.168.1.2 7 VOIP_VOICE 10000 20000 192.168.1.2 anyone?