RJ11 Phone Line Splitter/Separator/Adaptor for 2 Lines (1 Plug, 3 Sockets) White

Steren 4-Conductor 2-Line Split Adapter (300-324)

iMBAPrice RJ11 6P6C Straight Telephone Inline Coupler (5 Pack)

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

RJ11 Telephone Duplex Adapter, Phone Line Y-Splitter (3 Sockets), Ivory, 6P4C Modular Coupler

C2G/Cables to Go 41062 Two Line Telephone Splitter L1 + L2

New-Modular Two-Line Coupler - TEC-340

AT&T (TL88102) Dect 6.0 1-Handset 2-Line Landline Telephone Bundle with 3 Handsets and Dual Caller ID/Call Waiting

URBEST® 2Pcs 2-Way RJ11 US Telephone Plug to RJ11 Socket Adapter and Splitter for Landline Telephone

URBEST®Beige RJ11 6P4C Male Plug to 5 Ports 6P4C Female Socket Phone Line Splitter Adapter

25' FT FOOT BLACK PHONE TELEPHONE EXTENSION CORD CABLE LINE WIRE WITH STANDARD RJ-11 PLUGS