Panasonic KX-TS105B Telephone Built-in speakerphone with eight-step volume control enables hands-free conversations. Features one-touch speed dialer, 20 stations, 10 speed-dial stations, headset jack on hook, data port for hook-up of modem or other single-line device, four-step handset volume control, one-touch redial for last number dialed, flash and pause. Wall mountable.