The Clearsounds CSC600ER amplified speakerphone comes with advanced features like emergency dialing and remote call answering facilitating one with peace of mind assuring one that they can call for help in an emergency at any time. The model combines superb design, ergonomics and functionality, exceptional amplification and tone management technology as well as a unique pendant for fast and easy emergency dialing. CSC600ER Features: Amplified Big Button Corded Phone Caller ID / Call Waiting UltraClear Sound-Clarifying Technology Amplified Volume - Up To 50dB Tone Control Lets You Customize The Amplifier For Optimum Clarity Amplified Ringer - Up To 104dB Hearing Aid Compatible Full Duplex Base SpeakerPhone 2 Programmable One-Touch Emergency Buttons Large Backlit LCD Display Big Button Backlit Keypad Dial Display 30 Station Name / Number Caller ID Memory 30 Station Phone Directory / Dialer New Call Indicator Speed Dial 7 Programmable Memory Dial Buttons Message Waiting Indicator Missed Call Indicator 10 Selectable Ringtones Adjustable Speakerphone / Handset Volume Control Bright Visual Ringer Wall Mountable/Mount Included Tone / Pulse Dialing 5 One-Touch Speed Dial Keys Last Number Redial Dual Headset Jack Multi-Language Menus Auto Dial Voicemail Key Answer And Hang-Up a Call Through The Pendant Recordable Outgoing Emergency Message Pair Additional Pendants (Sold Separately) Remore Audio Monitoring