Uniden DCT6485/3 2.4Ghz Cordless 3-Handsets w/Caller ID, Digital Answering Dual Speakers/Keypads, DCT64853 Only one phone jack required; Expandable to 4 handsets total; Handset and base speakerphones; Room/Baby Monitoring 2.4GHz Digital Expandable ; Caller ID/Call Waiting ; Digital Answering System; 100 Programmable Memory Locations "Do Not Disturb" Setting ; Four-Way Conferencing ; Mute and Hold Function ; Alphabetical Search ; Transfer Memory Locations Between Handsets New Message Waiting Indicator with Alert Tone Option ; Intercom or Call Transfer Between Handsets ; 20 Distinctive Ring Options ; 10 Memory Dial Locations at Base; English/Spanish/French Menu Support Includes base w answering system and charger, 3 handsets, 2 charging cradles, phone cord, 3 AC adapters, 3 battery packs, 3 belt clips, wall mount adapter, user's manual