RCA 25204RE1 1-Handset 2-Line Landline Telephone Call Waiting and Caller ID 100 Name / Number Caller ID Records 3 Party Call Conferencing Desk or Wall Mountable Hearing Aid Compatible Enhanced full duplex speakerphone - Line status indicator buttons 16 One touch memory buttons - 100 name/number call waiting caller ID Multi-Lingual message display - Do Not Disturb (DND) button Intuitive 4 direction navigation button Digital volume control - Blue backlit LCD