15ft Telephone Extension Cord, Standard RJ11 Phone Cable for Home & Office, White (Compatible with Phone/Modem/Fax Machine) 1. Extended Connectivity This 15ft telephone cable stretches across rooms with tangle-free flexibility, perfect for placing landline phones anywhere in your home or office. 2. Universal Plug & Play Standard RJ11 connectors instantly work with phones, modems, and fax machines—no adapters needed for quick setup. 3. Durable Daily Use Gold-plated contacts and PVC coating ensure clear calls and long-lasting performance, even with frequent movement.