Uniden TRU9485 Cordless Digital Answering System with Dual Keypad & Speakerphone Digital Answering System with Handset Access 5.8 Digital Expandable System 10 Handset Expandability (Maximum) Caller ID/Call Waiting Deluxe - To activate the Caller ID and/or VoiceMail features, you must subscribe through your local telephone company. Banner Display - Name Each Handset Base Keypad Handset Speakerphone - This feature gives you the freedom to use the handset as a speakerphone. Base Duplex Speakerphone Programmable CID or Memory Locations at Handset/Base - 100 Do Not Disturb (DND) - Silence the phone so you can work without distractions. Conference Calling** - 4-Way DirectLink Technology - 2-way Radio Communication Mute & Hold Features Advanced Phonebook Features: - Store up to 100 Names, Store Up to 2 Numbers per Name, Alphabetical Search, Personalized Ringers, Transfer Single Listing or Entire Phonebook New Message Waiting Indicator with Alert Tone Option Intercom or Call Transfer Between Handsets 20 Ringer Options - 10 melodies + 10 tones 10 Speed Dial Locations at Base Trilingual Menu Displays - English / French / Spanish Room Monitoring Battery Level and Clock Display Earpiece and Ringer Volume Control Ringer Off Option Find Lost Handset / Paging Key Headset Compatible - Allows for an optional headset to be connected for convenient hands-free operation. Wall Mountable Handset Battery Type: BT-446 NiMH