Amazon.com: Phone Line Splitter,SHONCO Five-way Telephone Splitter, RJ11 6P4C Male-to-female 5-socket Port Telephone Line Cable Splitter and One In-line Coupler Connector, Beige : Electronics
Amazon.com: Uvital RJ11 Duplex Wall Jack Adapter Dual Phone Line Splitter Wall Jack Plug 1 to 2 Modular Converter Adapter for Office Home DSL Fax Model Cordless Phone System, White(2 Packs) : Electronics