- 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