BT Telephone Extension Lead | 20 Metres | £21.99 | Headset Store
100m Drum BT Telephone Cable Wire 3 Pair 6 Core White Phone Cable Extension | eBay
Loops 25M BT Telephone Master Socket/Box Line Extension Professional Cable Kit - 10m 15m 20m Lead : Amazon.co.uk: Electronics & Photo
20m BT Telephone Extension Cable MALE TO FEM UK Lead Phone Fax Modem 4 pin4 wire | eBay
Male female telephone cable extender 4.5m extension - Cablematic
The Best Telephone Extension Cord | Reviews, Ratings, Comparisons
Wilko 5m Telephone Extension Cable | Wilko
Tristar Telephone extension lead 10m | DIY at B&Q
How to wire a phone extension from a BT Master socket UK - YouTube
Male female telephone cable extender 4.5m extension - Cablematic
Tekbox UK Telephone Male to Female Extension Cable - 30 Metre - [TKB-RJ11X-30M]
iMBAPrice® 50 Feet Long Telephone Extension Cord Phone Cable Line Wire - White by iMBAPrice : Amazon.co.uk: Business, Industry & Science
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
Tristar Telephone extension kit, 20m | DIY at B&Q
20m BT Male to Female Extension Cable/Telephone Fax Modem Extension Lead/iCHOOSE : Amazon.co.uk: Electronics & Photo
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