AmzDeals 2-Pack 3 Feet Black Telephone Cable 6P4C RJ11 Male to Male, Made in USA Pro Grade Phone Line Cord

(2 Pack) 2 Feet Short Telephone Cable Rj11 Male to Male 24 inch Phone Line Cord

GE TL26190 Telephone In-Line Coupler (White)

2PORT RJ11 RJ12 Manual Sharing Telephone Switch BOX Phone selector

RJ12 6P6C 3Female Telephone Splitter Adapter Cable (Black)

URBEST 2 pcs rj11 male to female two way telephone splitter converter cable

THE CIMPLE CO - Telephone Cord Coupler Phone in Line Coupler | 4 Conductor (2) Telephone Lines – 2 Pack (White)

URBESTBeige RJ11 6P4C Male Plug to 5 Ports 6P4C Female Socket Phone Line Splitter Adapter

RocketBus RJ11 Plug 1 to 2 Dual Phone Line Splitter Wall Jack Split into Two Modular Converter Adapter for Office Home ADSL DSL Fax Model Cordless Phone System

iMBAPrice RJ11 6P4C Straight Telephone Inline Coupler (5 Pack)