Hear clearly. The C4230 uses DCP technology and 50 decibels of intelligent amplification to make conversations louder and clearer. Featuring dual speakerphones and a digital answering machine, the C4230 is a feature-rich solution for those with a moderate-to-severe hearing loss or low vision.

Quickstart Guide Video

Illustrated Quick Start Guide

C4230 Large Print User Guide

C4230 User Guide (Chinese Text)