PANASONIC KX-DT343 3-Line LCD, with Backlight, DXDP, optional USB Modu – Telecom Creations
Amazon.com: Panasonic Comfort Fit Headset for TCA Series Cordless Landline Phones, Foldable Headset with Flexible Noise-Cancelling Microphone and Volume Control, 2.5 mm Plug, Grey/Silver KX-TCA430 : Electronics