If there are certain services like ISDN home highway it is not possible to get this broadband service. For the Aol broadband cable product none of these restrictions are present. If you install this broadband via an existing BT phone line there is no need of permission as long as phone line is in your name. NTL engineers installs the cable modem if you choose the broadband cable product. Then Aol broadband software is installed and one can start to enjoy the broadband features and benefits.
More on internet broadband provider and how fast is cable broadband