Hello, im new to 3CX and PBX in general. I configured at home a 3CX phone system to try out with a voip account and 2 IP Phones and works very well. Then i tried to replicate the system in a company and i have some problems. At my home as router i have a Asus DSL-N55U, a netgear prosafe GS724Tv4 and a computer that host a pair of VM, including a windows with 3CX and works well, i can see all the phones in the admin page and use provisioning on them. In the company it's a bit more complicated, 2 WANs shaped with a Pfsense box, one subnet 192.168.10.x for all the company (its not that large), a netgear switch same model as mine and 3CX runs on a physical computer with a realtek and a atheros nics. I configured everything and seems ok (except some ports that i will nat correctly when i get rid of the voip service on one of the WAN modems) except that i cannot see any phone on the admin page neither android clients. If i configure manually a phone it works but i have no provisioning, no contacts etc. What can cause this problem? I found that article http://www.3cx.com/docs/plug-and-play-ip-phone/ and i cannot see the IP for the multicast in any of the interfaces and the solution proposed is not applicable because im running Windows 10. I tried to disable all interfaces but one with no success. Its something blocking the multicast? What i can do to resolve this issue?