Digital Answering System with Large LCD 1 Corded and 2 Cordless Handsets. Power Back-Up Operation (Base Unit) Talking Caller ID Intelligent Eco Mode 5-Number Speed Dial Console (Base Unit) Range Boost Tone Equalizer Hands-Free Speakerphone on Base & Handset Non-Slip Handset Design Up to 4-Way Conference Capability All-Digital Answering System Call Block Silent Mode.