Leviton C0247-W 2-Way Wall Modular Phone Adapter RJ11 White Dual T Splitter Line RJ-11 Twin 2 Outlet Telephone Plug Jack Duplex Converter Connection Snap-In, Part # 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: