7916 Unified IP Phone Expansion Module extends the capabilities of the Cisco Unified IP Phone 7962G, 7965G and 7975G models with additional buttons and an LCD display. You can use up to two Cisco Unified IP Phone Expansion Module 7916 modules with the Cisco Unified IP Phone 7962G, 7965G and 7975G models. The large LCD display of the Cisco Unified IP Phone Expansion Module 7916 allows for quick and easy identification of associated buttons. Using the Settings menu of the Cisco Unified IP Phone 7962G, 7965G, and 7975G models, you can adjust the brightness of the individual LCDs for these phones and the Cisco Unified IP Phone Expansion Module 7916 according to your preference.