- RCA 2-Line DECT 6.0 Digital expandable business system- Caller ID, call waiting caller ID- 99# Phonebook- 100# Caller ID memory- Expands up to 10 handsets- Advanced 2-line cordless expandable phone systems give you the professional look you want with the business features you need- Handset speakerphone- Base speakerphone- Speakerphone volume control- Base keypad- Backlit keypad- Backlit LCD- Display contrast adjustment- Multilingual message display (English, French, Spanish)- Call conferencing- Call timer- Call transfer- Dial in base- Dial in handset- Do not disturb feature- Flash/hold/pause/mute- Line-in-use indicator- Line status indicator- One-touch redial- 10# Memory dialing (speed dialing)- Tone/pulse switchable dialing- Tone feedback when dialing- Temporary tone- Distinctive ring for each line- Handset volume control- Hearing aid compatible- Loudspeaker volume control (5 levels)- Ringer control (5 levels and off)- Selectable ringtones- VIP ringtones- Visual ringer- All station page (page all)- Consumer-replaceable cord- Cordless handset option- Intercom- Page/find- Wifi friendly- Automatic date and time set- Built-in clock and calendar clock- Dial-back function- Voicemail waiting indicator- 2.5m Headset jack- Belt clip- Desk or wall mountable- 2 Year limited manufacturer's warranty- BlackACCESSORY HANDSET: RCA-H5250RE1 or RCA-25055RE1RCA25210RE1