Modular Wall Phone Adapter Dual T Splitter Line RJ11 RJ-11 Twin White 2 Outlet Telephone Plug Jack Duplex Converter Connection Snap-In, Part # Leviton C0247-W, C0247W
Adaptor with one modular plug and two modular jacks. Converts single modular jack to twin outlet jack, for quick connection of two phones/answering machine combination.
Instructions: