Communication made easythe CD5 Series is built to make communication accessible to everyone, while providing a multitude of helpful features in an attractive, stylish design. Large keypads, illuminated graphics and an extra-large, backlit LCD display keep everything easy on the eyes and easy on the fingers. Ergonomic handsets feature tactile keypads and rubber backs to provide enhanced comfort and a more secure grip. High-performance audio and five levels of amplification ensure that everyone can enjoy a clear conversation. One-button call-block allows the user to blacklist up to ten specific numbers or ten general call types. Digital answering machine, with a classic, tape-unit-style control set, provides up to 30 minutes of recording time. Convenient speakerphone mode enables hands-free use. Hearing-aid compatible, the CD5 Series is ready to accommodate Type 3.3 HAC protocols straight out of the box. Answering System: Digital Lines: 1 Telephone Type: Cordless Caller ID/Type: Base Display Handset Display.