Avaya Definity 7406 D05 BIS Phone (Ash/Refurbished)The Avaya Definity 7406 D05 BIS Phone has a 48 character LCD for access to the messaging features of your system and also provides for message retrieval and storage. It has 18 programmable buttons for features including send all calls and leave word calling. Key Features: Mnfr Part #: 3180 D05 48 Character LCD Message Waiting Indicator 5 Call Appearance Buttons Conference Transfer Drop Hold Volume Control Mute Button Personalized Ringing Handset