Auerswald Comfortel VoIP 2500 AB. Flash memory: 1024 MB. Voice codecs: G.711. Display: LCD, Display resolution: 128 x 64 pixels, Display number of colours: Monochrome. Networking standards: 10/100 Base-T. Weight: 1000 g, Dimensions (WxDxH): 261 x 216 x 109 mm