Hello, I just downloaded version 6.x and am trying to configure it with my GRNVoip, my VOIP provider. I am unable to pass the firewall test because I have the server connected to a public IP. I am trying to avoid buying a router just to put this in the DMZ. I know this has worked before, with a previous version, but now, it no longer works. Because I am unable to pass the firewall test, it appears that I am unable to connect to my VOIP Provider. My VOIP provider authenticates via IP, so I chose Generic SIP Trunk. It still asks for a username, probably a bug, but I am still unable to connect to them. Has anyone found a solution to this problem?