Telephone cable extender

RJ11 Dual Ports Desktop Telephone Extension Cable Extender Connector Adapter NCCZ

BT Telephone Socket Line 3 Way Splitter | Female Jacks to BS6312 431A Male Plug | Cable UK Adapter Landline Port Converter Extender FAX Modem Corded Cordless Phone SKY| 4 Wire Converter | White

BT Telephone Socket Adapter UK to US | British Telecom Female Jacks to RJ11 4 Wire Male Plug | Cable Adapter Landline Port Converter Extender FAX Modem Corded Cordless Phone SKY | 10 cm 6P4C | White

Ex-Pro® 10m Telephone Extension Cable Lead 6 Way 631A Extender BT Phone Sockets

Ex-Pro 10m Telephone Extension Cable Lead 6 Way 631A Extender BTPhone Sockets x2

Ex-Pro 10m Telephone Extension Cable Lead 6 Way 631A Extender BTPhone Sockets x5