Speech IC:AS2524;32 digits memory / Redial;User selectable flash setting- 100,300,600 and 1000mSec;DO NOT DISTURB / FILTER function;70 Incoming call Memory,16 Dialed number Memory;70 Phone book Memory;6 - One Touch Memory;Mute with LED indication;Music “On Hold”;Eight ring selections with volume setting;Ring / In use LED indication;Pre dial function to avoid wrong calls;Call back function;Will support Message waiting with indication in display;Total Calls and New Calls with indication in display;Volume control for handset and headset – 4 levels