What Country/State/Province do you live in? Staffordshire, United Kingdom
Router brand & model number: etec PT-3812
Network Connection Type: Wireless/
If Wireless, what type of encryption are you using? WPA2
If Wireless, are you using a white or black external adapter, or an internal (Xbox 360S) adapter? Internal
Things you have tried:
Is UPnP Enabled? Yes/no/Unknown Yes
Is NAT Type Open? Yes
Any Error Codes you encounter: No
What type of internet do you have? Cable/DSL/T1/3G? DSL
Who is your ISP(Internet Service Provider)? Tiscali
After you run "Test Xbox LIVE connection" and click on "More info", what is the exact message shown on screen? A load of numbers with WXYZ.
Also, what is your internet speed package? 4MB download. I get this doing a speedtest.
What else, if anything, do you have connected to your network? Laptop
Are you downloading or streaming anything else at the same time? No
How far away from your router is your xbox? Its upstairs.
Can you try connecting via ethernet cable for testing purposes? Got no TV to connect through a cable.