BT Wholesale IPStream / Datastream

BT Wholesale provides wholesale ADSL broadband products to most of the UK’s ISPs. The standard ADSL line types are IPStream (BT managed) and Datastream (ISP managed), though consumers need not concern themselves with the technical names. Basic (standard) ADSL packages offer download speeds of up to 2Mbps and upload speeds of up to 256Kbps.

See our broadband page for a more detailed explanation:
http://www.ispreview.co.uk/broadband.shtml#3