Ready NAS NV V2 Unable too keep Remote Access Session

Hi All,

Please help as i'm out of ideas how too sort this.
I have been trying too setup my NAS Box so I can access this remotely. I get the same issues on 4 different devices, inc Windows, Mac, Iphone, IPAD.

The situation is, I have been testing this through the machine that is hard wired into my router. This router is directly connected too the NAS Box. However, on the machine I have been connecting via the READY NAS REMOTE Application.

The Application connects fine, initially. I see the NAS, I see the Shares.
Now, when I go too download or stream anything from the NAS, it gets too a point where it loses connection.

The error I get is:

Windows cannot access \\5.*.*.*\media
Check the spelling of the name. Otherwise, there might be a problem with your network.

I have tried Port Forwarding on differnet Ports,
I have enabled access through my firewall.

When it loses connection, the NAS Box is still showing Internet Connection and Online and the Ready NAS Remote is still showing as logged in. This is using a wired connection.
We have had numerous issue with the App on Iphone etc, where we eventually get too see the shares (After like 10 attempts) but on the Iphone, its sooooo friggin slow also too the extent where I wouldnt even bother using it :(

When it starts to download the file, it comes through at around 4MB/Sec but then just stops

Any help would be apprectiated as im just stuck for ideas.

Many Thanks
Scott