Siemens optiPoint 410 IP Economy Phone - Arctic White - RefurbishedDisplay 2 x 24 character Open listening 12 programmable function keys POL on unused and used pairs G. 711, G. 723 & G. 729 May require separate PSU, please choose from Extras below Conforms to IP standards Alphanumeric LCD tiltable display with 2 lines (24 characters per line) 12 function keys with LEDs 3 dialog keys for interactive user prompts 2 keys (plus, minus) for setting ringer volume and ringer pitch Open listening PoE IEEE 802. 3af CTI Wall