rhinocables ADSL RJ11 Lead High-Speed Internet Cable for BT, Internet, Broadband, Modem, Router and Landline Telephone Wire (5m): Amazon.co.uk: Electronics & Photo
Maplin RJ11 to BT Plug BT- 431A Telephone Modem Cable - White, 3m | Maplin | The Electronics Specialist
RJ11 ADSL Router Cable Telephone Lead For BT/SKY/PlusNet Broadband Phone Lot | eBay
BT Phone Line Plug to RJ11 Crossover Telephone Cable Extension | Lead Cord for Modem FAX SKY box Virgin Hub | British UK BT Socket 4 Wire | White – 2m :
RJ11 Cable ADSL UK BT Broadband Modem Internet Router Landline Phone lead Lot | eBay
RJ45 Plug to RJ11 Adapter - Ethernet to RJ11 – BCE Direct