5.8 GHz Digital Expandable Cordless System w/ Telephone Answering System 2 Extra Caller ID Handsets and Chargers Included 10 Handset Maximum Expandability* - Compatible with TCX800 Handset Caller ID/Call Waiting Deluxe¿ - To activate the Caller ID and/or VoiceMail features, you must subscribe through your local telephone company. Digital Answering System - The product utilizes microchip technology (no more tapes or moving parts.) This ensures clearer recordings and longer life. Base Keypad Handset Speakerphone - This feature gives you the freedom to use the handset as a speakerphone. Base Duplex Speakerphone 100 Handset / 100 Base Programmable Caller ID / Memory Locations Do Not Disturb Setting 4-Way Conferencing (2 Handsets + Base + Outside Call) DirectLink¿ Mode - 2-Way Radio Communication Mute and Hold Function Alphabetical Search Transfer Memory Locations Between Handsets New Message Waiting Indicator at Handset & Base, plus Alert Tone Intercom or Call Transfer Between Handsets 20 Distinctive Ring Options (10 Melodies + 10 Ring Tones) 10 Speed Dial Locations at Base Headset Compatible - Allows for an optional headset to be connected for convenient hands-free operation. Trilingual Menu Displays and Voice Prompts - English/French/Spanish Integrisound* - *Enhances audio performance from the earpiece speaker as well as the clarity of recorded messages. Room / Baby Monitoring Animation / Battery / Clock Display Earpiece and Ringer Volume Control Ringer Off Option Find Lost Handset Key Record Conversation Capability Remote Message Retrieval - Allows you to receive messages from any touch-tone phone. NiMH Battery Pack