Hello, I try to get the Windows 10 Mobile softphone working on my Lumia 535. The server is on my own local network and it's working with the 3CX-softphone on Windows 10 on my desktop computer. I had some difficulties to get it working but after I put the SIP-server in the outbound-proxy field it's working perfect. I now have the same problem on my Windows-phone, but the problem is that I don't have a outbound proxy server in the softphone. And now it's just keeps registering, but never registers. Application version is 14.0.44619 How can I solve this problem?