Product | Videk Voice / Telephone Adaptor RJ45 Plug to UK / BT Socket Secondary - phone adaptor - white
BT Telephone 2 Way Double Adaptor Splitter FAX / Modem - One BT (M) to – BCE Direct
LINDY US to UK Telephone Adaptor: Amazon.co.uk: Electronics & Photo
Leads Direct | Telephone Adaptor – Four Way
Double Telephone Adaptor from £0.80
Pik A Pak 2 Way Telephone Adaptor
Telephone Splitters, 2 Way BT Phone Socket Adapter, RJ11 BT Plug Male to 2 Female, Double Phone Socket Adaptor for UK Landline Telephone, FAX, Modem, Cable Adapter and Converter, White – Uvital