Used for example when plugging a phone into the RJ11 phone socket.
BT Socket to RJ11 Plug Telephone Line Adapter SKY or Virgin Modem Hub Converter
30 x BT Socket to RJ11 Plug Telephone Adaptors with Ring Capacitor for most Hubs
BT Socket to RJ11 Plug Telephone Adaptor with Ring Capacitor for Virgin Hubs
BT Telephone to Virgin Media Hub Adapter LJ5113 BT socket to RJ11 plug
BT SOCKET TO RJ11 PLUG 4 PIN TELEPHONE PHONE CABLE ADAPTER CONVERTER UK
BT FEMALE SOCKET TO RJ11 MALE PLUG TELEPHONE ADAPTER, UK TO USA/ IRISH CONVERTER
