I have a fresh install of Elastix 2 and I have a few remote SPA942's, none of which will connect. The phone connects locally but trying to connect remotely it fails with error "Failed No Response"
I don't think it is getting through the router but I have open all ports (for test purposes only) from 21 to 25000.
I now the phone works and the config is ok as when I change the Proxy to to point to a 1.6 system it connects right away but will not connect to the new 2.0 and all I change is the proxy.
Can I also say that I had the same issue with the 1.6 install on the same server and ISP.