Amazon.com: Uvital Phone Extension Cord 33 Ft, Telephone Cable with Standard RJ11 Plug and 1 in-Line Couplers and 20 Cable Clip Holders, Black : Electronics
Amazon.com: iMBAPrice 25 Feet RJ11 Telephone Extension Cord Phone Cable Line Wire - White : Electronics
Amazon.com: True Decor 25 Feet Black Phone Telephone Extension Cord Cable Wire with Standard RJ-11 Plugs : Electronics
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
6.5ft Black Telephone Phone Extension Cord Coil Wire Line Cable W/Connectors - Walmart.com
Softalk Part # SOF04020 - Softalk 25 Ft. Plug/Plug Telephone Extension Cord, Ivory - Telephone Accessories - Home Depot Pro