Vtech CM18245 4-Line Corded Phone Accessory DesksetThe Vtech CM18245 4 Line Corded Phone Accessory Deskset is a convenient extension for your Vtech main console. It does not function as a stand alone phone. This extension registers wirelessly via DECT technology for use anywhere in your office. It features its own digital answering system with 20 minutes of record time and an extra large display for easy visibility. This headset compatible full duplex speaker phone allows for hassle free handsfree