2 PACK RJ45 to BT RJ11 Secondary Telephone Splitter 2 Way Female to Male Adapter Converter Line Cables Telephone Plug Socket Connector Ethernet For Landline - Newegg.com
RJ11 to BT Plug Adaptor - Connect ADSL DSL Cable to BT Telephone Phone Socket 5060457589744 | eBay
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
Rj11 Male Plug To Rj11 Uk Bt Telephone Socket Adapter Splitter - Buy Bt Telephone Socket,Uk Socket Adapter,Rj11 Telephone Socket Product on Alibaba.com
RJ11 to BT Landline Telephone Phone Cable Lead Modem FAX Plug BT Socket 2m - 10m | eBay
Cables Direct Ltd Crossover BT to RJ11 Slimline Adapter