13 Programmable Feature Keys
2 line X 24-character Liquid Crystal Display
Message Waiting Key Indicator
Visual Message Waiting
Enhanced Speakerphone for Handsfree Operation
5 Local Memories
Dual Headset Jack
Automatic Prime Line Selection
Visual Ringing Indicator
Compatible with M622 Expansion Module
Multiple Language Presentation
Hold, Mute & Release Keys
Power Failure Operational
Predial
Call Timer
Volume Control