RJ11 to BT Plug. Standard Modem Cable.
G-PLUG BT to RJ11 Telephone Cable 10m, UK Plug Lead for 2 Wire
BT to RJ11 Cable Telephone Modem UK Landline Lead Fax Router Phone Sky Box White
BT to RJ11 Phone Cable Telephone Line Lead Sky Box Router Modem Fax ADSL UK 3M
Versatile 2m BT to RJ11 Cable - Connect Your Landline, Modem, and Sky Box Safely
