G-PLUG 5m Long BT Telephone Cable to RJ11 ADSL Modem Male – 2 Wires 6P2C White Extension Lead for Landline, Modem, Fax, Dial-up, Sky: Amazon.co.uk: Electronics & Photo
CW1198 Armoured Telephone Cable - FS Cables
RJ11 to RJ45 Ethernet Telephone Cable 8P4C 6P4C ASDL Patch Lead White - rhinocables.co.uk
4-Wire Telephone Cable RJ11 (2m) - Cablematic
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BT 4 Wire 431A Plug to 4 Wire Male Plug Telephone Cable Lead 1m BLACK
MainCore 15m long White BT Telephone Extension Cable Lead For Office & Home 6 Wire (631a) BT Male to BT Female (Available in 2m, 3m, 5m, 10m, 15m, 20m) (15m): Amazon.co.uk: Electronics