Newhouse Hardware 15 ft. Telephone Extension Cord, with RJ11 (6P4C) Connectors, Works w/Telephones, Fax Machines, Modems, Black (5-Pack) MLC15-BK-05 - The Home Depot
45 - 55 Feet Home Telephone Phone Line Cords for sale | eBay
THE CIMPLE CO - 50 FT Feet Modular Phone Line Cord - High Quality 2 Conductor - White - 1 Pack - Walmart.com