Cisco 7916 Unified IP Phone Expansion Module for Cisco 7962, 7965, 7975G, Requires Cisco Communications Manager 4.3-inch Graphical 16-bit Color Display (480x272) 12 Physical Buttons (24 With Page Key) Programmable buttons, Line Key, Speed-dial Requires Cisco Communications Manager Compatible with Cisco 7962, 7965 and 7975G Models