NTL T's & C's.
I would draw your attention to the following section of the terms and conditions for the provision of the ntl service:
10. Faults and Matters Affecting the Services
10.1 We cannot guarantee that the Services will be fault free. If a fault occurs you should notify us by contacting our customer management centre.
10.2 We are responsible for the maintenance of the Equipment and the ntl Network.
10.5 If it is necessary for the Services to be interrupted or suspended we will give you as much notice as is reasonably practicable and restore the Services as soon as is reasonably practicable.
Talk about covering your own back eh.
:p