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Amazon.com: GFORTUN Beige 6P4C 4 Pin RJ11 Dual Female to RJ11 4 Pin Male Socket Plug Cord 2-Way Cable Splitter Adapter for Landline Telephone (2 Pack) : Electronics
Amazon.com: Detroit Packing Co. RJ11 6P4C to 4 Wire RJ45 8P8C Male Plug Lead Cable Phone Cord for Landline Telephone (2m (~6 feet), One-Pack, Black) : Electronics
Amazon.com: GFORTUN Beige 6P4C 4 Pin RJ11 Dual Female to RJ11 4 Pin Male Socket Plug Cord 2-Way Cable Splitter Adapter for Landline Telephone (2 Pack) : Electronics
Amazon.com: Short Phone Cord, 2 Pack 12 inch RJ11 6P4C Male to Male Telephone Landline Extension Cable Line Wire Connector for Landline Telephone, Modem, Fax Machine, White : Electronics
Tech-X Modular Jack Ends, Rj11 Cable 6P4C Male To Male Telephone Dsl Cable For Landline, Phone, Modem Cord Or Fax Machine (Black, 15 Meter) : Amazon.in: Electronics