Amazon.com: Telephone Cords for Landline Phones - Phone Cords for Landline Phones to Wall Jack - Superb Sound Quality + Sturdy Materials - Bone Ivory - Compatible with Devices w/a Phone Jack (
Amazon.com: Phone Extension Cord 25 Ft, Telephone Cable with Standard RJ11 Plug and 1 in-Line Couplers and 20 Cable Clip Holders, White : Industrial & Scientific