BT Telephone Extension Cable 2m Lead Full 6 Wire Male Plug to Female Socket for Office & Home Broadband Cord Compatible with Telephone / Fax / Modem (White) | Keple.com
3m BT Phone Extension Cable Male to Female 88BT-003 | Cabledepot
RS PRO Female RJ9 to Male RJ9 Telephone Extension Cable, Grey Sheath, 3m | RS
5m Telephone Extension Lead
Telephone Extension Cable 10m | Toolstation
BT Versatility Extension Lead | BT V8 Extension Lead | Versatility Extension Leads | Headset Store
3m Quality BT Telephone Extension Cable Lead Male to Female Phone Line Fax 5055538107597 | eBay