Peter
11
I did some more checking . The phone company is doing some filtering , maybe NAT. I repeated the tests from a 2nd phone and also a remote terminal. The cellphones both could not access the advanced settings page but the remote terminal on the we could.
So maybe not the same issue.
However, having the extra dialog pop up can easily be handled with a checkbox on the actual Advanced Settings page,and maybe remote administration can also be achieved with a browser ona cell phone.
Everything is good and behaving as it should.