swann cctv cameras: Problem connecting through IE: The page cannot be displayed error

[iwebbys]

hi
just bought a swann 4 camera network kit,,set it up fine

set up dhcp on my dvr,assisgns an ip address,connects fine when i connect my virgin hub to the dvr and my laptop at home through the wireless on the same hub

when i try to connect through IE i get The page cannot be displayed
error,when i try to connect through netviewer it also fails...

but like i said it connects fine at home....any help would be greatly appreciated as what good is remote viewing when i can only view at home??

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