-> Auto Dialing -> Caller I.D Display -> Complete Privacy -> Computer Display -> Tone/Pulse Dialing -> Multiple Voice Path -> Apartment Grouping -> Caller I.D for each Apartment -> Emergency/Security Alarm Control -> Programmable Apartment Number -> Door Phone and Door Lock interface -> Apartment to Reception Communication -> Apartment to Apartment Communication -> More than one Master Telephone Set for Reception -> Multiple CLI Display at different Entry Points Emergency/Security Alarm Control