Amazon.com: QIANRENON RJ11 6P4C Panel Mount Phone Cord Extender Jack RJ11 Female to Female Feedthrough Connector,XLR Panel/D-Type Panel Mount Module,CAT3,for Connecting Phone and Modem : Electronics
Amazon.com: Phone Line Splitter,Telephone Splitter,with RJ11 6P4C Plugs, Suitable for Telephone, Fax Machine, 2 Pack White : Electronics
Amazon.com: Phone Line Splitter, Vcall Phone Jack Splitter, RJ11 Splitter,Phone Cord Splitter,Telephone Line Splitter RJ11 6P4C Male to 2 Way Female Socket Telephone Extension Cable (2 Pcs,Black) : Electronics
Amazon.com: RiteAV - 30FT (9.1M) RJ11 Male to RJ11 Male 6P4C Phone Line Cord - Gray : 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