Cisco 7912G IP System Telephone - RefurbishedLarge Pixel based display gives access to features. 4 dynamic soft keys Changeable calling options for the user to scroll through. Menu key This key allows users to quickly access information such as call logs and phone settings. Hold key visual indicatior that a call was placed on hold. Support of a single line or directory number Support of Extension Mobility Call monitor (speaker only, no microphone) Messages key access to voicemail messages Four