- Accessory handset only�requires a LS6425 LS6475 LS6426 or LS6476 series phone to operate - Backlit keypad and display - DECT 6.0 digital technology - 50 name and number phonebook directory - Voicemail waiting indicator - Last 10 number redial - Mute - Any key Answer - Volume Control - RoHS Compliant - Hearing Aid Compatible - Intercom between handsets - Conference between an outside line and up to 4 cordless handsets - Last number redial - Trilingual prompts allow you to choose between English Spanish and French - Selectable ring tones