Handsfree operation (half duplex) 16 programmable multi-function keys with LED indicators for features, personal speed calls Expansion support for 12 and 48 button Programmable Key Modules 10 hard function keys: Mute, Speaker, Volume Up / Down, Directory, Feature, Redial, Hold, Transfer, Message Two-line x 16-character alphanumeric Liquid Crystal Display (LCD) Dedicated headset jack Speed Calling (Station / System) Intercom Calling Emergency Calling Call Hold (Place / Retrieve) Call Transfer Conference Calling Call Waiting Do Not Disturb Call Forward (Manual / Automatic) Voice mail notification – large message waiting lamp Message handling (View / Reply) Direct page / Group page Last number redial Reminder Messages Hearing Aid Compatible handset Wall mountable Two-position, 35 degree tilting stand for better viewing angle Store up to 10 personal speed dial numbers and associated names