With acknowledgements to newapollo.
It sounds like the box hasn't been activated yet.
You need to call 0800 953 9500 to activate the box. You will need the box serial number, and your account number and area code.
You could also try contacting New accounts and Set Up for them to complete the setup and activation. That would be options 1,1,1 and 4 if dialling 150 from a Virgin landline , or options 1,1,2 and 4 if dialling 0345 4541111 from any other phone
You could also try the following :- VM have recently started pre-activating their equipment, and the box should call "home" and be activated within 30 minutes, however sometimes this fails and the advice is to sign into Service status at the top of this page and run a test against the equipment you are installing. By doing this VM will be able to reboot the box or put you in touch with the right team.
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BT Smart Hub 2 with 70Mbs Download,18Mbs Upload, 9.17ms Latency & 0.35ms Jitter.