RJ12 6P6C Cable 94" with Shielded Amphenol Connectors, Medical Grade - A22024 - PartsMine
RJ11 RJ12 6P6C Data Cable, Male to Male Modular Data Cord Straight Reverse Wiring Pinout Telephone Handset Voice Extension Cable - AliExpress
Cmple - Telephone Cord 14ft Phone Cord for Landline Male to Male 6P6C RJ12 Cable for 3 Lines Home Phone, Fax, DSL Modem, Router, Printer - Gray - Walmart.com