The cable has a BT male connector on one end and RJ-11 connectors on the other, making it compatible with standard phone and modem connections.
RJ11 to BT Landline Telephone Phone Cable Lead Modem FAX Plug BT Socket 2m - 10m
RJ11 to BT Socket Adapter Standard RJ11 Plug to BT Telephone Socket Landline Por
3m RJ11 to BT Cable Lead Modem FAX Telephone Landline Phone Male Plug BT Socket
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Short 5m BT Plug RJ11 to BT Socket Lead Telephone Moderm Phone | UK
1 PCS RJ11 to BT Socket Adapter,4-Wire Female Converter,Bt Digital Voice Adapter
