Panasonic KX-TG4771B DECT 6.0 Plus Expandable Digital Cordless Answering System with 1 Corded and 1 Cordless Handset: * Power back-up operation * Answering system total recording time approximately 18 minutes * Talking Caller ID (requires subscription) * Dial keypad on base * Large, 1.8" white backlit handset display * Bright, LED light-up indicator * Easy-to-use big buttons with simple keypad layout * Amplified handset volume with dedicated volume key * Intelligent Eco mode * All-digital answering machine * Tone equalizer * Call Block (requires subscription * Silent mode * Ringer ID (required subscription) * Up to 4-way conference call with outside line * Talk Time: 13 hours * Standby Time: 11 days * Charge Time: 7 hours * Call Waiting (requires subscription) * Expandable to 6 handsets